Heat pumps are efficient but different. Our heat pump guides cover sizing, maintenance, and the most common problems — not heating, not cooling, defrost cycles, and short cycling — explained clearly for homeowners, with when-to-call-a-pro guidance and current cost ranges.
Last updated: July 2026 · Reviewed against Carrier, Goodman and Mitsubishi service documentation A heat pump blowing cold air in heating mode is one of the most common complaints — and often not a real problem at all. Because heat pump air is naturally cooler than furnace air, and because heat pumps run periodic defrost … Read more
Last updated: July 2026 · Based on Mitsubishi Electric heat pump documentation Mitsubishi is one of the most popular heat pump brands in the U.S., especially for ductless mini-split systems. They are known for quiet operation, strong cold-climate performance, and reliability — but like any system, they have common issues, blink error codes, and need … Read more
Last updated: July 2026 · Reviewed against HVAC identification guidelines The easiest way to tell if you have a heat pump: turn on the heat, then go check the outdoor unit. If the outdoor unit runs in winter when you are heating the home, you have a heat pump. If it only runs in summer … Read more
Last updated: July 2026 · Reviewed against Carrier, Goodman and Mitsubishi service documentation Not sure if you even have a heat pump? See how to tell. Many heat pump problems have simple, DIY-fixable causes — a dirty filter, a tripped breaker, a blocked outdoor unit, or a thermostat setting. Others, like low refrigerant or a … Read more
Last updated: July 2026 · Reviewed against Carrier, Goodman and Mitsubishi maintenance guidelines For brand-specific guidance (like Mitsubishi mini-splits), filter cleaning may be monthly. Because a heat pump runs year-round for both heating and cooling, maintenance matters even more than for a furnace or AC — it works twice as many hours. Regular care keeps … Read more
Last updated: July 2026 · Based on 2026 US installed pricing A heat pump costs $4,000 to $9,000 installed for a typical ducted air-source system in 2026, with most homeowners paying around $5,500–$7,000. But the full range is wide — a single-zone ductless mini-split can start near $3,500, while a geothermal system runs $15,000–$35,000. What … Read more
Last updated: July 2026 · Reviewed against Carrier, Goodman and Mitsubishi service documentation A heat pump not cooling usually points to a thermostat setting, a dirty filter or coil, low refrigerant, or a stuck reversing valve. Since a heat pump is essentially an air conditioner that can run in reverse, most cooling problems mirror AC … Read more
Last updated: July 2026 · Reviewed against Carrier, Goodman and Mitsubishi service documentation Some frost on a heat pump’s outdoor unit in winter is completely normal — a light coating that the defrost cycle melts away every hour or two. But a unit fully encased in ice is a problem. The causes range from a … Read more
Last updated: July 2026 · Reviewed against Carrier, Goodman and Mitsubishi service documentation A heat pump not heating usually comes down to a thermostat setting, a dirty filter or coil, a refrigerant problem, or the unit being stuck in defrost. Because a heat pump both heats and cools, some “no heat” complaints are really settings … Read more