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Method ledger

How Havenraft scores radon mitigation fans

Each product on the radon mitigation fans scorecard gets one 0–100 score from the weighted formula below, computed only from published manufacturer specs and dated retailer records; we do not physically test products. The current table covers 20 products across 8 recorded spec fields, refreshed July 1, 2026.

Scale
0-100
Products
20
Fields
8
Updated
July 1, 2026

The weights

Radon Mitigation Fans scoring dimensions, weights, definitions, and data sources
DimensionWeightDefinitionData source
Flow At 0.5 In. WC22%The scored range for listed cfm at 0 5 iw spans 45 to 240; higher numbers score better, with missing values held neutral.Cfm At 0 5 Iw
Maximum Static Pressure20%Across the catalog, listed max pressure iw goes from 1.4 to 4.5; higher numbers score better, while a missing entry stays neutral.Max Pressure Iw
Power Draw16%The scored range for listed wattage spans 15 W to 91 W; lower numbers score better, with missing values held neutral.Wattage
Published Noise Rating12%Published listings put noise sones between 3 to 7.3; lower numbers score better, and a missing value stays neutral.Noise Sones
EC Motor10%Listed ec motor is a presence check — a yes takes full credit, and a no or absent value scores zero.Ec Motor
Outdoor Rating8%Where outdoor rated is listed as yes it earns full credit; a no, or no listing at all, scores zero.Outdoor Rated
Speed Control6%Where speed control is listed as yes it earns full credit; a no, or no listing at all, scores zero.Speed Control
Maximum Airflow6%This dimension reads listed max flow from 71 to 356; higher numbers score better, while a missing value scores neutral.Max Flow
Total100%All dimensions above sum to the full score.Published score total
Radon Mitigation Fans flow at 0.5 in. wc score breakdown for 5 ranked products by weighted scoring dimension. The top five radon mitigation fans are separated by 15 points; flow at 0.5 in. wc is the tiebreaker. Score contribution by dimension Flow At 0.5 In. WC (22%)Maximum Static Pressure (20%)Power Draw (16%)Published Noise Rating (12%)EC Motor (10%)Outdoor Rating (8%)Maximum Airflow (6%)Speed Control (6%) 0255075100 #1 Fantech Rn2EC Radon Fan: 61/100 #1 Fantech Rn2EC Radon Fan 1311108 61/100 #2 AMG Maverick Radon Fan: 59/100 #2 AMG Maverick Radon Fan 208108 59/100 #3 AMG Eagle Extreme Radon Fan: 55/100 #3 AMG Eagle Extreme Radon Fan 12108 55/100 #4 RadonAway RP140 Radon Fan: 50/100 #4 RadonAway RP140 Radon Fan 1016128 50/100 #5 RadonAway GX4 Radon Fan: 46/100 #5 RadonAway GX4 Radon Fan 1998 46/100 Radon Mitigation Fans: weight x grade, 0-100 scale. Havenraft
  1. #1 Fantech Rn2EC Radon Fan61/100Flow At 0.5 In. WC 13 pts, Published Noise Rating 11 pts, EC Motor 10 pts
  2. #2 AMG Maverick Radon Fan59/100Flow At 0.5 In. WC 20 pts, EC Motor 10 pts, Outdoor Rating 8 pts
  3. #3 AMG Eagle Extreme Radon Fan55/100Flow At 0.5 In. WC 12 pts, EC Motor 10 pts, Outdoor Rating 8 pts
  4. #4 RadonAway RP140 Radon Fan50/100Power Draw 16 pts, Published Noise Rating 12 pts, Flow At 0.5 In. WC 10 pts
  5. #5 RadonAway GX4 Radon Fan46/100Maximum Static Pressure 19 pts, Published Noise Rating 9 pts, Outdoor Rating 8 pts
The top five radon mitigation fans are separated by 15 points; flow at 0.5 in. wc is the tiebreaker.

What the score bands mean

Score bands80+ strong60–79 solidBelow 60 limited fit

  • 80+: strong marks on the heaviest dimensions with few weak lines in the listed specs.
  • 60–79: competitive on most scored inputs, with at least one clearly weaker dimension.
  • Below 60: trails this field on the inputs weighted most; the product cards list exactly where.

Source hierarchy

Published manufacturer specifications rank first, dated retailer records second; marketing claims without a checkable figure are excluded from scoring. Missing values never earn invented numbers; they are labeled “not listed - neutral 50” and take the neutral 50 grade the weight definitions describe.

  1. SupplyHouseretailer evidence for 13 catalog fields
  2. RadonAwaymanufacturer evidence for 13 catalog fields
  3. Festa AMG Radon Fansmanufacturer evidence for 13 catalog fields
  4. Festa Radonmanufacturer evidence for 13 catalog fields
  5. Fantechmanufacturer evidence for 13 catalog fields
  6. Scored product catalog20 compared products
Radon Mitigation Fans freshness timeline showing source retrieval dates and the separate regeneration date. Havenraft source ledger tracks radon mitigation fans with 6 retrieval records, retrieved 2026-07-01 to 2026-07-02. For radon mitigation fans, sources were retrieved 2026-07-01 to 2026-07-02; the page was regenerated 2026-07-09, a build date kept separate from the source retrieval dates. Source freshness ledger Dots are source retrieval dates; the amber marker is the separate regeneration date. SupplyHouse: retrieved 2026-07-01 RadonAway: retrieved 2026-07-02 Festa AMG Radon Fans: retrieved 2026-07-01 Festa Radon: retrieved 2026-07-01 Fantech: retrieved 2026-07-02 Scored product catalog: retrieved 2026-07-01 Regenerated 2026-07-09 2026-07-012026-07-09 Radon Mitigation Fans keeps retrieved and regenerated dates distinct.

Retrieved · Built

  1. Fantech2026-07-02Source record
  2. RadonAway2026-07-02Source record
  3. Festa AMG Radon Fans2026-07-01Source record
  4. Festa Radon2026-07-01Source record
  5. Scored product catalog2026-07-01Source record
Havenraft source ledger tracks radon mitigation fans with 6 retrieval records, retrieved 2026-07-01 to 2026-07-02.

Update history

  • Rankings rebuilt from the refreshed catalog: 20 radon mitigation fans re-scored on 8 published spec fields, flow at 0.5 in. wc first.

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