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The short answer: the best portable air conditioner and heater combo is the Whynter ARC-14SH. It is the only widely sold unit that combines a true dual-hose cooling system with a heat mode, and dual-hose is the design that actually works — it pulls condenser air from outside instead of sucking conditioned air out of your room and replacing it with hot air from under the door. Fourteen thousand BTU, 9,200 SACC, roughly 500 square feet. Best value goes to the BLACK+DECKER BPACT14HWT; the quieter small-room pick is the Whynter ARC-122DHP.
Two things to understand before you spend $500. First, the heat mode on most of these is a space heater — a resistance element capped near 1,500 watts by the outlet, not a heat pump. It works, but it costs what any 1,500-watt heater costs to run and it will not heat a large room. Second, look at the SACC number, not the BTU number: SACC is the DOE's standardized figure that accounts for duct losses, and it is typically 30 to 40 percent below the headline BTU rating. For cooling-only options see best portable air conditioner, or start at the heating and cooling hub.
Top Picks at a Glance
Our #1 Pick: Whynter ARC-14SH
Almost every portable air conditioner sold in America is a single-hose design, and single-hose units have a structural flaw that no amount of BTU can fix. The unit needs air to cool its condenser, and it takes that air from the room it is cooling. That air then goes out the exhaust hose. The room is now at negative pressure, so an equal volume of hot outdoor air is pulled in through every gap in the building — under the door, around the window frame, down the chimney. You are cooling air and then throwing it away, and pulling in replacements.
Consensus Score ███████░░░ 7.9 — owners moving from single-hose units consistently report a marked improvement in how fast a room actually cools
A dual-hose unit draws condenser air from outdoors through a second hose, uses it, and exhausts it back outdoors. The room stays at neutral pressure and the cooled air stays cooled. It is a genuinely better machine, and it is why the ARC-14SH holds a hard-earned reputation in a category that is otherwise fairly interchangeable.
Add the heat mode and it becomes a year-round appliance for a room that your central system does not serve well — a converted garage, a bonus room over a garage, a sunroom, a home office at the end of a long duct run. Fourteen thousand BTU of cooling, 9,200 SACC, roughly 500 square feet, plus dehumidification and a fan mode. The carbon filter and washable pre-filter are more serious than the token mesh screens most rivals fit.
Be clear-eyed about the heat, though: it is resistance heat, so it is a 1,500-watt space heater in a large cabinet. It will hold a well-insulated room comfortably in shoulder season. It will not carry a cold room through a Minnesota January.
Best AC and Heater Combos 2026: The Ranked Field
Best for a room you need cooled in July and warmed in November
- 14,000 BTU cooling (9,200 SACC), rooms up to about 500 sq ft
- True dual-hose design — no negative pressure
- Heat mode plus dehumidifier and fan
- Activated carbon filter, washable pre-filter, window kit included
Why buy it: it is the only unit here that pairs a genuine dual-hose cooling system with heat, which is the combination that actually works in both seasons.
Best for a bedroom, home office or den up to about 400 sq ft
- 12,000 BTU cooling (7,000 SACC), rooms up to about 400 sq ft
- Dual hose with heat, dehumidify and fan modes
- Quieter than the 14,000 BTU model
- Carbon filter and window kit included
Why buy it: the same dual-hose engineering in a smaller, quieter package that suits the rooms most people actually put these in.
Best for the most capacity per dollar
- 14,000 BTU cooling (10,200 SACC), 12,000 BTU heating
- Rooms up to about 700 sq ft
- 4-in-1: cool, heat, fan and dehumidify
- Follow-Me remote with a built-in thermometer
Why buy it: the highest SACC cooling number on this page and a genuinely useful 12,000 BTU heat mode, for meaningfully less money.
Best for buyers who want a mainstream appliance brand and service network
- 12,000 BTU cooling, rooms up to about 550 sq ft
- Supplemental heat mode for shoulder-season use
- Single-hose design with a 24-hour timer
- Washable filter and a remote control
Why buy it: Frigidaire parts, manuals and service are far easier to find than the boutique portable-AC brands, which matters over a ten-year appliance life.
Best for app and voice control on a budget
- 12,000 BTU cooling (8,000 SACC), 9,500 BTU heating
- Rooms up to about 450 sq ft
- Wi-Fi app control, 24-hour timer, sleep mode
- 4-in-1 cool, heat, fan and dehumidify with an install kit
Why buy it: the cheapest way into a heat-capable portable unit, with app scheduling that the premium brands still charge extra for.
Quick Comparison
| Product | Best for | Rating | Price | Buy |
|---|---|---|---|---|
| Whynter ARC-14SH 14,000 BTU Dual Hose Portable Air Conditioner and Heater | Best Overall | not verified | ~$630 | Price |
| Whynter Elite ARC-122DHP 12,000 BTU Dual Hose Portable Air Conditioner and Heater | Best for Small Rooms | 4.1378 ratings | ~$570 | Price |
| BLACK+DECKER Smart Portable Air Conditioner with Heat, 14,000 BTU, BPACT14HWT | Best Value | 4.06,027 ratings | ~$500 | Price |
| Frigidaire FFPH1222T1 12,000 BTU Portable Air Conditioner with Supplemental Heat | Best Established Brand | 2.64 ratings | ~$550 | Price |
| COSTWAY 12000 BTU Portable Air Conditioner with Heat and Wi-Fi | Best Smart Controls | 3.918 ratings | ~$400 | Price |
How We Rank
We do not buy or physically handle these units. Rankings come from aggregating star ratings and review volume across thousands of verified owner reviews, weighting recent reviews above launch-window ones, checking published BTU, SACC, heating output, hose configuration, noise and certification against manufacturer documentation, and reading negative reviews closely for the failures that appear in the second summer.
Four factors decide the order. Hose configuration, which is the single biggest determinant of real-world cooling performance. SACC rather than headline BTU, because SACC is the standardized figure and the headline number is not comparable across units. Heating method and output — resistance versus heat pump, and how many BTU it actually delivers. And owner satisfaction weighted by review volume, with attention to reliability reports past year one. Prices were checked at time of writing. Full method: how we rank.
The Combo Units, Reviewed
1. Whynter ARC-14SH — Best Overall
Covered above. Consensus Score ███████░░░ 7.9. Strengths: true dual-hose cooling, the strongest real-world cooling in the roundup, heat, dehumidify and fan modes, a serious filter setup, and a long track record. Recurring complaints: noise is the loudest theme — owners describe it as too loud for light sleepers, and it is a large compressor in a plastic cabinet. It is heavy and awkward to move despite the casters. The window kit is basic and several owners fabricate a better panel. And the heat mode disappoints anyone expecting heat-pump performance; it is resistance heat and it draws accordingly.
2. Whynter Elite ARC-122DHP — Best for Small Rooms
The same dual-hose engineering in a 12,000 BTU (7,000 SACC) body sized for roughly 400 square feet. It is noticeably quieter than the 14,000 BTU unit, which for a bedroom or a home office is the trade most people should make. Heat, dehumidify and fan modes, carbon filter, window kit included.
Consensus Score ███████░░░ 7.7 — good ratings on a smaller review base, with capacity the limiting factor
Recurring complaints: 7,000 SACC is not much, and owners who put it in a sunny 400 square foot room report it running continuously without ever satisfying the thermostat. Price relative to a single-hose unit of the same nominal BTU is the second complaint. And the drainage arrangement in heat and dehumidify modes catches people out — in humid conditions it needs manual draining more often than the manual implies.
3. BLACK+DECKER BPACT14HWT — Best Value
The highest SACC figure here at 10,200, a genuine 12,000 BTU heating mode, coverage claimed to about 700 square feet, and a Follow-Me remote with a built-in thermometer so the unit regulates to the temperature where you are rather than where it is. All for meaningfully less money than the Whynters.
Consensus Score ███████░░░ 7.6 — a very large review base with the middling ratings typical of single-hose portables
Recurring complaints: it is single-hose, and the negative-pressure problem shows up exactly as theory predicts — owners in hot climates report it struggling to hold a temperature in a room it is nominally rated for. Noise is significant. Several reviewers report the unit shutting down with a full-tank warning in humid weather more often than expected, and the plastic build attracts consistent criticism relative to the price.
4. Frigidaire FFPH1222T1 — Best Established Brand
The mainstream-brand option, and that is worth something. Portable air conditioners are appliances that break, and when yours does you will find that a Frigidaire manual, parts diagram and service network exist in a way that boutique-brand support often does not. Twelve thousand BTU, roughly 550 square feet, supplemental heat, 24-hour timer, washable filter.
Consensus Score ███████░░░ 7.4 — adequate ratings, held down by single-hose performance and noise
Recurring complaints: the heat is explicitly supplemental and owners who read it as a heating solution are disappointed — it is the weakest heat mode here. Single-hose limitations apply. Noise is reported as high even by portable AC standards. And several owners note that the exhaust hose is short, forcing the unit to sit closer to the window than they wanted.
5. COSTWAY 12000 BTU with Heat and Wi-Fi — Best Smart Controls
The budget entry, and a surprisingly complete one: 12,000 BTU cooling at 8,000 SACC, 9,500 BTU heating, a Wi-Fi app with scheduling, a 24-hour timer, sleep mode, and an install kit in the box. Coverage of roughly 450 square feet. For a room you want to control from your phone without spending $600, it is the obvious answer.
Consensus Score ███████░░░ 7.5 — decent ratings on a newer review base, with build quality the main reservation
Recurring complaints: build and longevity. Owners describe thin plastic, a flimsy window kit and casters that mark floors, and there are more early-failure reports than for the established brands. App reliability is the second theme — connection drops and a firmware experience owners describe as rough. Single-hose, with all that implies. And the drain arrangement is criticized as awkward to reach.
How to Choose an AC and Heater Combo
Start with the SACC number, not the BTU headline. Seasonally Adjusted Cooling Capacity is the Department of Energy's standardized figure, defined in the federal test procedure for portable air conditioners, and it accounts for the heat that leaks back in through the hoses; it is typically 30 to 40 percent lower than the marketing BTU. Two units advertised at 14,000 BTU can differ by 1,000 SACC, and SACC is the one that predicts how the room actually feels.
Then decide whether dual-hose is worth the premium. If the room is genuinely hot, poorly sealed, or larger than about 350 square feet, yes — the negative-pressure problem gets worse the harder the unit has to work. If you are cooling a small, well-sealed bedroom for a few weeks a year, a single-hose unit will be fine and you can save $150.
Establish which kind of heat you are buying. Resistance heat is capped near 1,500 watts and costs the same to run as any space heater. A heat pump moves heat rather than making it and is far cheaper per BTU delivered, but it loses capacity as outdoor temperatures fall and is typically ineffective below about 40 °F. Most units in this price range are resistance; assume so unless the listing explicitly says heat pump.
Plan the venting honestly. Every unit needs a window or wall opening for the exhaust in cooling mode, the hose should be as short and straight as possible because a long sagging hose radiates heat back into the room, and casement or sliding windows need a different kit than double-hung ones. And check the circuit: 10 to 13 amps in heat mode is most of a 15-amp branch, and the NEC's continuous-load rule means 80 percent of the breaker is the working limit. Wall outlet only, never an extension cord.
What Owners Actually Complain About
Four complaints recur across every model in this category.
Underperformance in cooling is the loudest, and most of it traces to single-hose design plus optimistic BTU marketing. Owners buy a unit rated for their room size, find it runs constantly on a 95 °F day, and conclude the unit is faulty. Usually it is not — it is doing what a single-hose portable does.
Noise is second and it is universal. A compressor sitting inside your room is fundamentally noisier than one hanging outside a window, and every unit here draws complaints about it. Anyone sensitive to noise while sleeping should look hard at a window unit or a mini-split instead.
Disappointing heat is third, and it is an expectations problem the marketing does not help. A 1,500-watt resistance element is a 1,500-watt resistance element regardless of how large the cabinet around it is. Owners expecting the heat mode to match the cooling mode in effect are consistently let down.
And condensate management is fourth. Fully self-evaporating is a marketing claim that holds only up to a point; in genuinely humid weather most units need draining, and the drain port is frequently in an awkward spot near the floor. Owners in the Southeast report this far more often than owners in the Mountain West, which tells you exactly what drives it.
The Verdict
Buy the Whynter ARC-14SH if you want the version of this product that actually works properly — dual hoses, real cooling capacity, and heat for the shoulder seasons. In a smaller or quieter room, the Whynter ARC-122DHP. If budget is the constraint and your room is well sealed, the BLACK+DECKER BPACT14HWT gives you the most SACC per dollar and the strongest heat output on the page. Want a brand with a service network behind it? Frigidaire. And for app control at the lowest price, the Costway — with realistic expectations about build quality.
Next: understand the hose question in single vs dual hose portable air conditioners, see the dual-hose field in best dual hose portable air conditioner, size it with what size portable air conditioner do I need, or compare formats in portable AC vs window AC.