Air Quality research

Honeywell HPA300: 300+ CFM CADR, Room Fit, and Filter Cost

Honeywell HPA300 published CADR: 320 CFM dust, 300 CFM smoke, and 300 CFM pollen. Compare 465 sq ft coverage, filters, sources, and buying fit.

Written by BenchPicked Editorial Team · Sources checked May 16, 2026

Decision research map for Honeywell HPA300: 300+ CFM CADR, Room Fit, and Filter Cost based on published information — BenchPicked decision research: published facts, constraints, alternatives, and source records.

Decision answer

Bottom line

Honeywell HPA300 lists a smoke CADR of 300 CFM alongside a room-size claim of 465 sq ft. Use the CADR, not the room-size claim alone, to compare cleaning rates; check the operating setting and replacement-filter cost.

For: people choosing a room air cleaner for a defined room and operating routine
Decision: decide whether Honeywell HPA300 fits the intended job and purchase constraints
Context: matching cleaned-air delivery, noise, filter upkeep and room conditions

Decision matrix

Read each published value in the context of the decision it can actually support.

Honeywell HPA300 decision matrix
Factor	Published information	How to use it
Category	air purifier	Use the exact published value to compare like-for-like products; an omitted value remains unknown.
Model	HPA300	Use the exact published value to compare like-for-like products; an omitted value remains unknown.
Coverage Area Sqft	465 sq ft	Use this to match the documented capacity to the room or task; do not compare an unlabeled maximum claim as equivalent.
Cadr Smoke	300 CFM	Use this to match the documented capacity to the room or task; do not compare an unlabeled maximum claim as equivalent.
Noise Level Db	not published	Compare the level together with the operating setting and distance, especially for bedroom or close-range use.
Dimensions	20.8 x 10.8 x 22.3 in	Check this against the installation, storage or carrying constraint before ordering.
Weight	17.0 lb	Check this against the installation, storage or carrying constraint before ordering.

Claim and evidence record

manufacturer attributed

Auto Mode: no

This field is attributed to the cited manufacturer documentation; BenchPicked did not independently measure it.

Honeywell Store HPA300 specifications

manufacturer attributed

Brand: Honeywell

This field is attributed to the cited manufacturer documentation; BenchPicked did not independently measure it.

Honeywell Store HPA300 specifications

source attributed

Cadr Dust: 320 CFM

This field is attributed to the cited standards or certification directory and remains limited to its listed model and scope.

AHAM Verifide room air cleaner directory

source attributed

Cadr Pollen: 300 CFM

This field is attributed to the cited standards or certification directory and remains limited to its listed model and scope.

AHAM Verifide room air cleaner directory

source attributed

Cadr Smoke: 300 CFM

This records what the cited source publishes; it is not a BenchPicked measurement.

Honeywell Store HPA300 specifications

source attributed

Category: air purifier

This records what the cited source publishes; it is not a BenchPicked measurement.

Honeywell Store HPA300 specifications

source attributed

Certifications: ENERGY STAR listed source available

This field is attributed to the cited standards or certification directory and remains limited to its listed model and scope.

AHAM Verifide room air cleaner directory

source attributed

Coverage Area Sqft: 465 sq ft

This records what the cited source publishes; it is not a BenchPicked measurement.

Honeywell Store HPA300 specifications

source attributed

Dimensions: 20.8 x 10.8 x 22.3 in

This records what the cited source publishes; it is not a BenchPicked measurement.

Honeywell Store HPA300 specifications

manufacturer attributed

Filter Type: pre-filter and True HEPA filters

This field is attributed to the cited manufacturer documentation; BenchPicked did not independently measure it.

Honeywell Store HPA300 specifications

source attributed

Model: HPA300

This records what the cited source publishes; it is not a BenchPicked measurement.

Honeywell Store HPA300 specifications

source attributed

Noise Level Db: not published

This records what the cited source publishes; it is not a BenchPicked measurement.

Honeywell Store HPA300 specifications

manufacturer attributed

Power Consumption W: not published

This field is attributed to the cited manufacturer documentation; BenchPicked did not independently measure it.

Honeywell Store HPA300 specifications

source attributed

Weight: 17.0 lb

This records what the cited source publishes; it is not a BenchPicked measurement.

Honeywell Store HPA300 specifications

When another option is the better fit

A higher-CADR purifier

Choose this when the room is larger or faster air cleaning matters more than size.

A quieter compact purifier

Choose this when night use and close placement matter more than peak airflow.

Source control or ventilation

Choose this when the pollutant source can be removed instead of filtered.

Decision support

Fit and ownership checks

Fits when

Readers matching this audience: people choosing a room air cleaner for a defined room and operating routine
Decisions that require this task: decide whether Honeywell HPA300 fits the intended job and purchase constraints
Use in this stated context: matching cleaned-air delivery, noise, filter upkeep and room conditions

Complete before comparing total cost

Replacement-part price, availability, and expected interval
Electricity cost at the expected operating setting and local tariff
Current device price, shipping region, and availability
Required accessories, consumables, or paid services

Sources used for this decision

Honeywell Store HPA300 specifications: Manufacturer record used for the published facts on this page.
AHAM Verifide room air cleaner directory: Industry Standard record used for the published facts on this page.

Evidence boundary: this module compares cited published information. It does not add first-hand measurements or infer results outside the stated source conditions.

Decision data

Is Honeywell HPA300 a good fit for my room, noise limit, and ownership budget?

Category: air purifier
Model: HPA300
Coverage Area Sqft: 465 sq ft
Cadr Smoke: 300 CFM

Evidence boundary

Published specifications are attributed to their named sources and are not BenchPicked laboratory measurements.

Current buying option

Check the seller terms before ordering

Use the evidence and limitations above to decide whether this product fits. Price, availability, shipping, and return terms can change on the seller page.

Check price on Amazon Seller: Amazon (paid link) We may earn a commission from Amazon.

Research details

Specification basis

According to manufacturer specifications and published source data, Honeywell HPA300 is an air purifier. CADR values are dust 320 CFM, smoke 300 CFM, and pollen 300 CFM. Coverage is listed as 465 sq ft. Filter type is pre-filter and True HEPA filters.

Source boundaries

Honeywell HPA300 is described from Honeywell Store HPA300 specifications, AHAM Verifide room air cleaner directory. Unresolved fields include Noise, Power Consumption W.

Ownership cost and purchase terms

For Honeywell HPA300, carry Auto Mode, Cadr Dust, Cadr Pollen, Smoke CADR into the ownership comparison.

Honeywell HPA300 comparison snapshot

Honeywell HPA300 lists smoke, dust, and pollen CADR as 300 CFM / 320 CFM / 300 CFM; stated coverage is 465 sq ft; and the published noise range is not published.

Honeywell HPA300 total-cost inputs and unknowns

The current source set does not publish noise level db, power consumption w; those inputs remain unknown.

Published specs

Source-attributed specification table
Field	Value	Source basis
Auto Mode	no	Source Attributed (view source)
Brand	Honeywell	Source Attributed (view source)
Cadr Dust	320 CFM	Source Attributed (view source)
Cadr Pollen	300 CFM	Source Attributed (view source)
Cadr Smoke	300 CFM	Source Attributed (view source)
Category	air purifier	Source Attributed (view source)
Certifications	ENERGY STAR listed source available	Source Attributed (view source)
Coverage Area Sqft	465 sq ft	Source Attributed (view source)
Dimensions	20.8 x 10.8 x 22.3 in	Source Attributed (view source)
Filter Type	pre-filter and True HEPA filters	Source Attributed (view source)
Model	HPA300	Source Attributed (view source)
Noise Level Db	not published	Source Attributed (view source)
Power Consumption W	not published	Source Attributed (view source)
Price Range	$$	Source Attributed
Weight	17.0 lb	Source Attributed (view source)

Buying options

Approved affiliate buying links for Honeywell HPA300: 300+ CFM CADR, Room Fit, and Filter Cost
Store	Price	Action
Amazon	Check current price on Amazon	Check price on Amazon^*
* Affiliate links - prices may vary. Last checked: Sep 26, 2026.

Source notes

Honeywell Store HPA300 Specifications · Manufacturer · Checked May 16, 2026
AHAM Verifide Room Air Cleaner Directory · Industry Standard · Checked May 16, 2026

Questions

What CADR values are published for Honeywell HPA300?

Published CADR values for Honeywell HPA300: dust 320 CFM, smoke 300 CFM, pollen 300 CFM.

What room coverage is listed for Honeywell HPA300?

The selected sources list coverage for Honeywell HPA300 as 465 sq ft.

What filter type does Honeywell HPA300 use?

The selected sources describe Honeywell HPA300 with pre-filter and True HEPA filters.

Before you buy

Recheck fit and current terms

Confirm Honeywell HPA300: 300+ CFM CADR, Room Fit, and Filter Cost's model, included items, delivery, return policy, and any recurring costs before checkout.

Check price on Amazon Seller: Amazon (paid link) We may earn a commission from Amazon.

How BenchPicked separates published facts, analysis, and evidence limits