Bryant heat pump

37MARAQ09AA3

Mini-split / multi-splitVariable-speed (inverter)ENERGY STAR cold-climateENERGY STAR Most Efficient (some pairings)

The Bryant 37MARAQ09AA3 is a mini-split / multi-split heat pump outdoor unit with a rated cooling capacity of 9,000 BTU/h (about 1 ton) and a variable-speed (inverter) compressor running on R-454B refrigerant. ENERGY STAR lists 7 certified indoor-unit pairings for it. In cold weather it still delivers 8,600 BTU/h at 5°F — 78% of its 47°F output, above the 76% median across the 308 models we track (better than 54% of them). Its HSPF2 of 13.9 is higher than 100% of models in our database, and its best certified SEER2 of 26 beats 96%.

Our take in 30 seconds

Best for: mixed climates with occasional hard freezes

Strengths

  • Heating efficiency (HSPF2 13.9) beats 100% of models
  • Cooling efficiency up to SEER2 26, better than 96% of models
  • Variable-speed compressor: quieter, steadier temperatures and better humidity control
  • Uses newer, lower-impact R-454B refrigerant

Good to know

  • Efficiency depends on the indoor unit: SEER2 ranges 19.6–26, so ask which pairing you're quoted
Est. yearly cost
$322
U.S. average rates
SEER2
19.6–26
Cooling efficiency
HSPF2
13.9
Top 1% heating efficiency
Heat kept at 5°F
78%
Median is 76%
Advertisement

Running-cost calculator

Pre-filled with EIA prices · edit any field
Estimated annual cost
—
Heating
—
Cooling
—

Uses the base certified SEER2 (19.6) and HSPF2 (13.9). Assumes the unit is correctly sized. How we calculate.

Heating capacity as it gets colder

A heat pump's output falls as outdoor temperature drops. This is the certified heat output of the Bryant 37MARAQ09AA3 at the three ENERGY STAR test temperatures (cooling capacity is 9,000 BTU/h for reference).

47°F
11,000 BTU/h
17°F
9,300 BTU/h
5°F
8,600 BTU/h

Retention at 17°F: 85% · at 5°F: 78%. Learn how to use these numbers in our cold-climate guide.

Estimated running cost in every state

Same unit, very different bills: from about $189 a year in Louisiana to $720 in Maine, driven by local electricity prices and how much heating or cooling the climate needs. Click a column to sort.

StatePriceHeatingCoolingTotal / yr
Louisiana12.87¢$71$118$189
Florida14.99¢$53$165$219
Washington14.63¢$197$24$220
Mississippi14.43¢$103$119$222
Nevada12.72¢$121$105$226
Tennessee13.42¢$149$80$229
Oregon15.92¢$202$33$234
Arizona15.05¢$83$152$235
North Carolina14.95¢$154$89$243
Kentucky13.80¢$175$70$244
Arkansas14.37¢$148$99$247
South Carolina15.76¢$137$116$253
Utah13.31¢$200$55$255
Georgia15.90¢$138$117$255
Texas15.91¢$113$146$259
Alabama16.33¢$142$120$262
Idaho13.37¢$222$43$265
Oklahoma14.82¢$164$102$266
New Mexico16.51¢$196$76$272
Nebraska13.54¢$225$56$281
West Virginia16.31¢$232$60$292
Missouri16.02¢$216$81$296
Virginia17.64¢$209$89$298
Kansas15.47¢$220$78$299
Wyoming14.43¢$285$33$319
Colorado17.17¢$272$55$327
North Dakota13.31¢$305$28$333
Indiana17.02¢$269$66$336
Delaware18.70¢$252$86$337
Montana15.57¢$308$32$340
South Dakota15.15¢$300$45$345
California29.75¢$212$137$348
Iowa17.06¢$311$59$369
Ohio19.38¢$307$71$378
Maryland21.40¢$288$98$386
Illinois19.32¢$321$71$392
Minnesota17.20¢$368$43$411
Pennsylvania21.77¢$345$80$425
Wisconsin19.41¢$384$53$437
New Jersey24.61¢$351$102$452
District of Columbia25.98¢$329$131$460
Connecticut24.51¢$427$73$500
Michigan22.99¢$437$63$500
Vermont23.84¢$491$49$540
Rhode Island28.18¢$491$78$568
Hawaii47.18¢$19$563$582
New York28.65¢$499$86$584
New Hampshire27.64¢$547$63$610
Massachusetts30.48¢$555$84$639
Alaska29.41¢$698$14$712
Maine32.11¢$661$59$720
Advertisement

Same equipment sold under other brands

These listings share the same certifying manufacturer (Carrier Corporation) and identical certified capacities and efficiency ratings, so they are almost certainly the same hardware with a different badge. If you get quotes for any of them, you are comparing installation price and warranty, not equipment. How rebadging works.

  • Carrier 37MARAQ09AA3
  • Midea 37MARAQ09AA3
  • Payne 37MARAQ09AA3
  • Weathermaker 37MARAQ09AA3

Plus 11 more identical listings in the ENERGY STAR database.

Similar-size alternatives

Other mini-split / multi-split units within ±15% of this model's cooling capacity, sorted by efficiency. Cost difference is versus the Bryant 37MARAQ09AA3 at U.S.-average rates.

ModelCooling BTU/hSEER2HSPF25°F keptEst. yearly cost
Fujitsu AOUH09KTAP19,00033.5–33.514142%$303 (−$19)Compare
Bryant 37MAHAQ09AA39,00020.6–27.513.899%$340 (+$18)Compare
Senville SENA-09HF-OG9,00021.4–27.412.596%$363 (+$41)Compare
Mitsubishi Electric SUZ-AA09NL***9,00017.6–21.712.953%$372 (+$51)Compare
Senville SENA/09HF/OQ9,00020.2–28.11290%$380 (+$58)Compare
Gree GWH09AVDXE-D6DNA1A/O9,10022.3–3011.2108%$357 (+$35)Compare

Full specifications

BrandBryant
Outdoor model37MARAQ09AA3
Certified byCarrier Corporation
Product typeMini-split / multi-split
CompressorVariable-speed (inverter)
RefrigerantR-454B
Cooling capacity9,000 BTU/h
Nominal size1 ton
SEER2 (certified range)19.6 – 26
EER2 (best)16.3
HSPF2 (best)13.9
Heating capacity @ 47°F11,000 BTU/h
Heating capacity @ 17°F9,300 BTU/h
Heating capacity @ 5°F8,600 BTU/h
COP @ 5°F2.36
ENERGY STAR cold-climateYes
Certified indoor pairings7
Latest certification2026-04

Source: ENERGY STAR Certified Heat Pumps (U.S. EPA), retrieved November 7, 2026. Capacities and HSPF2 are the highest values across certified pairings; confirm your exact system's AHRI reference number with your installer.

Frequently asked questions

How much does the Bryant 37MARAQ09AA3 cost to run per year?

At the U.S. average residential electricity price of 18.16¢/kWh and typical national heating and cooling hours, we estimate about $322 per year ($230 heating, $92 cooling). It ranges from about $189 in Louisiana to $720 in Maine.

Does the Bryant 37MARAQ09AA3 work in cold weather?

Yes. It is ENERGY STAR cold-climate certified and delivers 8,600 BTU/h at 5°F, 78% of its 47°F capacity, with a COP of 2.36 at 5°F.

What size is the Bryant 37MARAQ09AA3?

It is rated at 9,000 BTU/h of cooling, roughly 1 ton, and 11,000 BTU/h of heating at 47°F. Proper sizing should be confirmed with a Manual J load calculation.

Is the Bryant 37MARAQ09AA3 the same as the Carrier 37MARAQ09AA3?

Very likely. Both are certified by Carrier Corporation with identical capacities and efficiency ratings in the ENERGY STAR database, which indicates the same equipment sold under different brands.

Advertisement