Yep, we may get a tiny thank-you (read: commission) when you buy through links on Techspotr — not enough for a yacht, but enough to keep the lights (and servers) on. Learn more
Curious if the Blueair 7470i air purifier is worth it? We explored 137 specs & features like general information, dimensions & weight, performance & efficiency & filtration system — here’s what stands out on Techspotr.
A fast snapshot of the Blueair 7470i, covering its standout specification and what you can expect right out of the box.
Blueair 7470i
The Blueair HealthProtect 7470i is a medical-grade air purifier designed for medium rooms up to 418 square feet. Utilizing HEPASilent Ultra™ technology, it removes 99.97% of airborne particles while GermShield™ proactively kills viruses and bacteria. Its unique SpiralAir™ design provides 360-degree airflow for total room coverage.
Specifications & Facts 137
Specs measured. Drama avoided.
Price, specs, and performance — the Blueair 7470i air purifier is all here. We unpack the pros and cons and how it fares against other air purifiers. Cast your verdict!
General Information 13
Blueair 7470i Model Name
What is the model name?
61 Blueair 7470i 0 Votes Blueair 7470i
62 Air Purifiers in this range KILO
Blueair 7470i
The model name of this air purifier is Blueair 7470i.
The official name or model identifier of the air purifier.
When it comes to Model Name, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 1 score measurement.
Don’t keep it to yourself — be the first to react and review the Model Name on Blueair 7470i ◉ and help others decide!
Blueair 7470i Recommended Room Size
What is the recommended room size?
418 sq ft 0Votes
1,094.6 sq ft (Average)
Blueair 7470i
Recommended room size is 418 sq ft, which converts to about 38.83 m², suitable for medium to large rooms.
The ideal room area for optimal purification performance.
When it comes to Recommended Room Size, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 676.6 sq ft measurement.
Don’t keep it to yourself — be the first to react and review the Recommended Room Size on Blueair 7470i ◉ and help others decide!
Blueair 7470i Technology Type
What technology does it use?
68 Blueair 7470i 0 Votes HEPASilent
43 Air Purifiers in this range HEPA, Activated Carbon
The primary purification technologies used by the unit.
When it comes to Technology Type, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 25 score measurement.
Don’t keep it to yourself — be the first to react and review the Technology Type on Blueair 7470i ◉ and help others decide!
Blueair 7470i Design Style
What is the design style?
88 Blueair 7470i 0 Votes Modern
72 Air Purifiers in this range Modern
The visual and structural style of the purifier’s exterior.
When it comes to Design Style, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 16 score measurement.
Don’t keep it to yourself — be the first to react and review the Design Style on Blueair 7470i ◉ and help others decide!
Blueair 7470i Color Options
What color options are offered?
70 Blueair 7470i 0 Votes Fog, Midnight, Beige
64 Air Purifiers in this range White
Available color variations for this model.
When it comes to Color Options, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 6 score measurement.
Don’t keep it to yourself — be the first to react and review the Color Options on Blueair 7470i ◉ and help others decide!
Blueair 7470i Display Type
What is the display type?
58 Blueair 7470i 0 Votes LED
34 Air Purifiers in this range LED
The kind of display interface provided.
When it comes to Display Type, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 24 score measurement.
Don’t keep it to yourself — be the first to react and review the Display Type on Blueair 7470i ◉ and help others decide!
Blueair 7470i Model Type
What type of model is this?
68 Blueair 7470i 0 Votes Tower
56 Air Purifiers in this range Tower
The structural style or type of the air purifier.
When it comes to Model Type, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 12 score measurement.
Don’t keep it to yourself — be the first to react and review the Model Type on Blueair 7470i ◉ and help others decide!
Blueair 7470i Product Series
What is the product series?
58 Blueair 7470i 0 Votes HealthProtect
60 Air Purifiers in this range HPA
Indicates which product line or series the model belongs to.
When it comes to Product Series, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 2 score measurement.
Don’t keep it to yourself — be the first to react and review the Product Series on Blueair 7470i ◉ and help others decide!
Blueair 7470i Release Year
What year was it released?
63 Blueair 7470i 0 Votes 2020
60 Air Purifiers in this range 2023
The year the model was first released to market.
When it comes to Release Year, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 3 score measurement.
Don’t keep it to yourself — be the first to react and review the Release Year on Blueair 7470i ◉ and help others decide!
Blueair 7470i Intended Room Type
What room type is it intended for?
56 Blueair 7470i 0 Votes Bedroom, Living Room, Office, Hospital
46 Air Purifiers in this range Bedroom, Living Room, Office
Specifies what kind of room the air purifier is designed for.
When it comes to Intended Room Type, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 10 score measurement.
Don’t keep it to yourself — be the first to react and review the Intended Room Type on Blueair 7470i ◉ and help others decide!
Blueair 7470i Form Factor
What is the form factor?
38 Blueair 7470i 0 Votes Tower
37 Air Purifiers in this range Tower
The overall shape and layout of the device.
When it comes to Form Factor, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 1 score measurement.
Don’t keep it to yourself — be the first to react and review the Form Factor on Blueair 7470i ◉ and help others decide!
Blueair 7470i Control Type
What control types are available?
88 Blueair 7470i 0 Votes Touch, App, Voice
63 Air Purifiers in this range Touch
The methods available to operate the device.
When it comes to Control Type, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 25 score measurement.
Don’t keep it to yourself — be the first to react and review the Control Type on Blueair 7470i ◉ and help others decide!
Blueair 7470i Country Of Origin
What is the country of origin?
48 Blueair 7470i 0 Votes CN
56 Air Purifiers in this range CN
The country where the product was manufactured.
When it comes to Country Of Origin, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 8 score measurement.
Don’t keep it to yourself — be the first to react and review the Country Of Origin on Blueair 7470i ◉ and help others decide!
Dimensions & Weight 10
Blueair 7470i Width
What is the width?
10 inch 0Votes
14.39 inch (Average)
Blueair 7470i
The width measures 10 inches, approximately 25.4 cm, making it suitable for spaces with limited width.
The horizontal measurement of the air purifier.
When it comes to Width, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 4.4 inch measurement.
Don’t keep it to yourself — be the first to react and review the Width on Blueair 7470i ◉ and help others decide!
Blueair 7470i Height
What is the height?
27 inch 0Votes
23.65 inch (Average)
Blueair 7470i
Height of the purifier is 27 inches, around 68.58 cm, allowing it to fit in most indoor environments comfortably.
The total vertical measurement from base to top.
When it comes to Height, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 3.4 inch measurement.
Don’t keep it to yourself — be the first to react and review the Height on Blueair 7470i ◉ and help others decide!
Blueair 7470i Weight
What is the weight?
35 lbs 0Votes
24.45 lbs (Average)
Blueair 7470i
Weighs 35 lbs, or about 15.88 kg, balancing portability and stable placement.
The total weight of the air purifier unit.
When it comes to Weight, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 10.5 lbs measurement.
Don’t keep it to yourself — be the first to react and review the Weight on Blueair 7470i ◉ and help others decide!
Blueair 7470i Cord Length
What is the cord length?
6 ft 0Votes
6.32 ft (Average)
Blueair 7470i
The power cord length is 6 feet, which equals about 1.83 meters, providing decent reach to power outlets.
The length of the power cord attached to the purifier.
When it comes to Cord Length, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 0.3 ft measurement.
Don’t keep it to yourself — be the first to react and review the Cord Length on Blueair 7470i ◉ and help others decide!
Blueair 7470i Depth
What is the depth?
12 inch 0Votes
12.55 inch (Average)
The front-to-back measurement of the purifier.
When it comes to Depth, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 0.5 inch measurement.
Don’t keep it to yourself — be the first to react and review the Depth on Blueair 7470i ◉ and help others decide!
Blueair 7470i Package Width
What is the package width?
15.7 inch 0Votes
15.41 inch (Average)
The width of the product packaging.
When it comes to Package Width, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 0.3 inch measurement.
Don’t keep it to yourself — be the first to react and review the Package Width on Blueair 7470i ◉ and help others decide!
Blueair 7470i Package Depth
What is the package depth?
15.7 inch 0Votes
14.36 inch (Average)
The depth of the product packaging.
When it comes to Package Depth, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 1.3 inch measurement.
Don’t keep it to yourself — be the first to react and review the Package Depth on Blueair 7470i ◉ and help others decide!
Blueair 7470i Package Height
What is the package height?
33.5 inch 0Votes
25.93 inch (Average)
The height of the product packaging.
When it comes to Package Height, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 7.6 inch measurement.
Don’t keep it to yourself — be the first to react and review the Package Height on Blueair 7470i ◉ and help others decide!
Blueair 7470i Package Weight
What is the package weight?
48.5 lbs 0Votes
28.44 lbs (Average)
The total shipping weight including packaging.
When it comes to Package Weight, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 20.1 lbs measurement.
Don’t keep it to yourself — be the first to react and review the Package Weight on Blueair 7470i ◉ and help others decide!
Blueair 7470i Base Diameter
What is the base diameter?
13 inch 0Votes
12.04 inch (Average)
The circular base width for tower-style purifiers.
When it comes to Base Diameter, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 1.0 inch measurement.
Don’t keep it to yourself — be the first to react and review the Base Diameter on Blueair 7470i ◉ and help others decide!
Performance & Efficiency 17
Blueair 7470i Clean Air Delivery Rate
What is the overall CADR?
270 cfm 0Votes
372.36 cfm (Average)
Blueair 7470i
The Clean Air Delivery Rate is given as 270 cfm (cubic feet per minute), which equals approximately 456.6 m³/h. This measurement reflects the volume of clean air produced by the device per minute.
Measures the total air cleaning rate in cubic feet per minute.
When it comes to Clean Air Delivery Rate, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 102.4 cfm measurement.
Don’t keep it to yourself — be the first to react and review the Clean Air Delivery Rate on Blueair 7470i ◉ and help others decide!
Blueair 7470i Air Changes Per Hour
How many air changes per hour?
4.8 ACH 0Votes
10.34 ACH (Average)
Blueair 7470i
The CADR (Clean Air Delivery Rate) for dust is 270 cfm, approximately 456.6 m³/h, showing effective dust filtration.
Number of complete air changes per hour.
When it comes to Air Changes Per Hour, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 5.5 ACH measurement.
Don’t keep it to yourself — be the first to react and review the Air Changes Per Hour on Blueair 7470i ◉ and help others decide!
Blueair 7470i Minimum Coverage Area
What is the minimum coverage area?
200 sq ft 0Votes
487.52 sq ft (Average)
Blueair 7470i
The minimum coverage area is 200 sq ft, equivalent to about 18.58 m². This suggests the smallest room size in which the purifier performs effectively.
The smallest area recommended for optimal operation.
When it comes to Minimum Coverage Area, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 287.5 sq ft measurement.
Don’t keep it to yourself — be the first to react and review the Minimum Coverage Area on Blueair 7470i ◉ and help others decide!
Blueair 7470i Max Airflow
What is the maximum airflow rate?
300 cfm 0Votes
435.95 cfm (Average)
Blueair 7470i
Maximum airflow capability reaches 300 cfm, around 509.98 m³/h, supporting rapid air purification.
Maximum airflow capacity of the unit.
When it comes to Max Airflow, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 135.9 cfm measurement.
Don’t keep it to yourself — be the first to react and review the Max Airflow on Blueair 7470i ◉ and help others decide!
Blueair 7470i Frequency
What is the operating frequency?
60 Hz 0Votes
59.42 Hz (Average)
Blueair 7470i
Operates at a frequency of 60 Hz, suitable for standard electrical grids in many countries.
The electrical frequency of operation.
When it comes to Frequency, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 0.6 Hz measurement.
Don’t keep it to yourself — be the first to react and review the Frequency on Blueair 7470i ◉ and help others decide!
Blueair 7470i Energy Efficiency Rating
What is the energy efficiency rating?
77 Blueair 7470i 0 Votes A+
63 Air Purifiers in this range A
Blueair 7470i
An energy efficiency rating of A+ means the device operates efficiently, consuming less power relative to output.
Efficiency classification for energy consumption.
When it comes to Energy Efficiency Rating, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 14 score measurement.
Don’t keep it to yourself — be the first to react and review the Energy Efficiency Rating on Blueair 7470i ◉ and help others decide!
Blueair 7470i Coverage Area
What is the coverage area?
418 sq ft 0Votes
1,026.96 sq ft (Average)
The total maximum area the purifier can effectively clean.
When it comes to Coverage Area, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 609.0 sq ft measurement.
Don’t keep it to yourself — be the first to react and review the Coverage Area on Blueair 7470i ◉ and help others decide!
Blueair 7470i CADR Smoke
What is the CADR for smoke?
270 cfm 0Votes
319.8 cfm (Average)
Smoke-specific clean air delivery rate.
When it comes to CADR Smoke, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 49.8 cfm measurement.
Don’t keep it to yourself — be the first to react and review the CADR Smoke on Blueair 7470i ◉ and help others decide!
Blueair 7470i CADR Pollen
What is the CADR for pollen?
270 cfm 0Votes
320.86 cfm (Average)
Pollen-specific clean air delivery rate.
When it comes to CADR Pollen, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 50.9 cfm measurement.
Don’t keep it to yourself — be the first to react and review the CADR Pollen on Blueair 7470i ◉ and help others decide!
Blueair 7470i CADR Dust
What is the CADR for dust?
270 cfm 0Votes
302.67 cfm (Average)
Dust-specific clean air delivery rate.
When it comes to CADR Dust, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 32.7 cfm measurement.
Don’t keep it to yourself — be the first to react and review the CADR Dust on Blueair 7470i ◉ and help others decide!
Blueair 7470i Maximum Coverage Area
What is the maximum coverage area?
418 sq ft 0Votes
1,213.45 sq ft (Average)
The largest possible area where the air purifier remains effective.
When it comes to Maximum Coverage Area, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 795.5 sq ft measurement.
Don’t keep it to yourself — be the first to react and review the Maximum Coverage Area on Blueair 7470i ◉ and help others decide!
Blueair 7470i Airflow Direction Type
What is the airflow direction type?
88 Blueair 7470i 0 Votes 360 Surround
39 Air Purifiers in this range Upward
The pattern or direction in which clean air is released.
When it comes to Airflow Direction Type, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 49 score measurement.
Don’t keep it to yourself — be the first to react and review the Airflow Direction Type on Blueair 7470i ◉ and help others decide!
Blueair 7470i Noise Level Min
What is the minimum noise level?
25 dB 0Votes
31.54 dB (Average)
Minimum operating noise level at lowest fan speed.
When it comes to Noise Level Min, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 6.5 dB measurement.
Don’t keep it to yourself — be the first to react and review the Noise Level Min on Blueair 7470i ◉ and help others decide!
Blueair 7470i Noise Level Average
What is the average noise level?
45 dB 0Votes
44.88 dB (Average)
Typical average noise during standard operation.
When it comes to Noise Level Average, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 0.1 dB measurement.
Don’t keep it to yourself — be the first to react and review the Noise Level Average on Blueair 7470i ◉ and help others decide!
Blueair 7470i Noise Level Max
What is the maximum noise level?
55 dB 0Votes
57.85 dB (Average)
Maximum noise level at highest fan speed.
When it comes to Noise Level Max, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 2.9 dB measurement.
Don’t keep it to yourself — be the first to react and review the Noise Level Max on Blueair 7470i ◉ and help others decide!
Blueair 7470i Power Consumption
What is the power consumption?
90 Watt 0Votes
96.6 Watt (Average)
Average electrical power used during operation.
When it comes to Power Consumption, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 6.6 Watt measurement.
Don’t keep it to yourself — be the first to react and review the Power Consumption on Blueair 7470i ◉ and help others decide!
Blueair 7470i Voltage
What is the voltage requirement?
120 Volt 0Votes
137.04 Volt (Average)
Electrical operating voltage required.
When it comes to Voltage, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 17.0 Volt measurement.
Don’t keep it to yourself — be the first to react and review the Voltage on Blueair 7470i ◉ and help others decide!
Filtration System 16
Blueair 7470i Number Of Filter Stages
How many filter stages are there?
38 Blueair 7470i 0 Votes 3
38 Air Purifiers in this range 3
Blueair 7470i
The unit employs a three-stage filter system to ensure comprehensive air purification.
Total number of filtration stages used in the air cleaning process.
When it comes to Number Of Filter Stages, Blueair 7470i ◉ is same as Air Purifier in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Number Of Filter Stages on Blueair 7470i ◉ and help others decide!
Blueair 7470i Primary Filter Type
What is the primary filter type?
78 Blueair 7470i 0 Votes HEPASilent
60 Air Purifiers in this range True HEPA
Blueair 7470i
Uses HEPASilent filter technology, combining mechanical and electrostatic filtration for effective and quiet air cleaning.
The main type of filter used to trap fine particles.
When it comes to Primary Filter Type, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 18 score measurement.
Don’t keep it to yourself — be the first to react and review the Primary Filter Type on Blueair 7470i ◉ and help others decide!
Blueair 7470i Filter Efficiency Percentage
What is the filter efficiency percentage?
99.97 % 0Votes
99.76 % (Average)
Blueair 7470i
Filter efficiency is rated at 99.97%, meaning it can capture nearly all particles at 0.3 microns, typical for HEPA-class filters.
Percentage of particles the filter can capture.
When it comes to Filter Efficiency Percentage, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 0.2 % measurement.
Don’t keep it to yourself — be the first to react and review the Filter Efficiency Percentage on Blueair 7470i ◉ and help others decide!
Blueair 7470i Filter Life Duration
What is the filter life duration?
12 month 0Votes
21.48 month (Average)
Blueair 7470i
The filter life duration is specified as 12 months, indicating annual replacement is recommended for optimal performance.
Expected lifespan of the filter before replacement.
When it comes to Filter Life Duration, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 9.5 month measurement.
Don’t keep it to yourself — be the first to react and review the Filter Life Duration on Blueair 7470i ◉ and help others decide!
Blueair 7470i Filter Change Frequency
How often should filters be changed?
12 month 0Votes
15.96 month (Average)
Blueair 7470i
Suggests changing the filter every 12 months to maintain filtration efficiency.
Recommended frequency for changing filters.
When it comes to Filter Change Frequency, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 4.0 month measurement.
Don’t keep it to yourself — be the first to react and review the Filter Change Frequency on Blueair 7470i ◉ and help others decide!
Blueair 7470i Pre Filter Type
What is the pre-filter type?
0 Blueair 7470i 0 Votes None
38 Air Purifiers in this range Pre-filter
The type of pre-filter that captures larger dust and hair.
When it comes to Pre Filter Type, Blueair 7470i ◉ is worse than Air Purifier in this range ◉ , delivering equal 38 score measurement.
Don’t keep it to yourself — be the first to react and review the Pre Filter Type on Blueair 7470i ◉ and help others decide!
Blueair 7470i HEPA Filter Grade
What is the HEPA filter grade?
68 Blueair 7470i 0 Votes H13
65 Air Purifiers in this range H13
Indicates HEPA filter class and particle capture efficiency.
When it comes to HEPA Filter Grade, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 3 score measurement.
Don’t keep it to yourself — be the first to react and review the HEPA Filter Grade on Blueair 7470i ◉ and help others decide!
Blueair 7470i Carbon Filter Type
What is the carbon filter type?
78 Blueair 7470i 0 Votes Activated Carbon
69 Air Purifiers in this range Activated Carbon
Type of carbon material used for odor and gas removal.
When it comes to Carbon Filter Type, Blueair 7470i ◉ is better than Air Purifier in this range ◉ , delivering higher 9 score measurement.
Don’t keep it to yourself — be the first to react and review the Carbon Filter Type on Blueair 7470i ◉ and help others decide!