From a dead AC in July to a furnace that won't fire in January, our experienced technicians deliver safe, effective heating and cooling service for every home.
Homeowners across Portsmouth count on Portsmouth HVAC for residential heating and cooling work that's thorough, correctly sized for their house, and backed by years of hands-on experience in the field.
Whatever your home needs, from a simple repair to a whole-house system replacement, we price it upfront and fix the problem at its source.
New furnaces installed with proper venting, gas work, and a full startup test.
Central air installs with the charge, airflow, and drainage verified.
Source-removal duct cleaning, not a quick vacuum and a coupon.
Gas and electric furnace repairs with combustion and safety checks included.
Heating systems of every type repaired and tested before we leave.
Year-round heating and cooling from one efficient system.
Mini-splits for the rooms that never get comfortable.
Complete heating and cooling systems designed around your home's actual load.
Repairs for any heating or cooling system, diagnosed with real testing instead of guesswork.
Cold air back fast, with the common parts already on the truck.
Coils cleaned, charge checked, safeties tested, twice a year.
Honest repair-or-replace advice, and clean changeouts when it's time.
Taking calls now·Talk with someone about your HVAC needs
Homeowners across Portsmouth call us for quick repairs, honest answers, and upfront pricing.
Call (857) 767-3372 Today
Most homeowners only think about their HVAC system when it stops working, and by then comfort is already gone. Portsmouth HVAC takes a different approach. We respond fast, identify the failed part, explain the problem in plain language, and make the repair with the right parts on the truck.
From capacitors and contactors to blower motors, igniters, and flame sensors, our team repairs every residential heating and cooling problem with expertise and care.
Effective HVAC service starts with knowing exactly what you're dealing with. Portsmouth HVAC provides honest, upfront pricing across Portsmouth, covering everything from a worn capacitor to a full system replacement. Every job begins with a thorough assessment of your equipment, including its age, tonnage, fuel type, refrigerant charge, and duct condition, followed by a plain-English recommendation with the price spelled out before any work starts.
Many HVAC problems stay hidden until a failure is well underway. Refrigerant seeps out through pinhole leaks in the evaporator coil, blower bearings wear quietly, and a weakening capacitor gives no warning until the compressor won't start on the first hot day. If you notice weak airflow, rising energy bills, ice on the refrigerant lines, or rooms that never reach the thermostat setting, schedule an inspection sooner rather than later. An early diagnosis usually keeps a repairable issue from becoming a replacement.
Not every call is an emergency. Plenty of Portsmouth homeowners call us to size up an aging system before it fails, and it's a smart move. With a typical AC or furnace lifespan of 12 to 18 years, a replacement on your own timeline beats scrambling for a new unit during a cold snap. We'll give you a straight answer on how much life your equipment has left.
Each maintenance visit from Portsmouth HVAC is far more than a quick filter swap. The technician cleans the coils, verifies the refrigerant charge, tests capacitors and contactors, inspects the burners and heat exchanger, clears the condensate drain, replaces the filter, and checks static pressure in the duct system. Minor faults get caught while they're inexpensive to correct, and your system keeps running at full efficiency.
Many homes do best with two visits a year: a springtime tune-up for cooling and a fall tune-up for heating. We adjust the schedule to the age of your equipment, how hard your household works it, and local conditions like dust and pollen, which clog condenser coils and push up energy use quickly.
The savings add up faster than most people expect. Clean coils move heat more efficiently, a correct refrigerant charge takes strain off the compressor, and a fresh filter protects the blower motor. Next to the cost of replacing a system even one year early, a maintenance plan is money well spent.
When it comes to HVAC, bigger is not better. An oversized unit turns on and off too often, burns extra energy, and never runs long enough to pull humidity out of the air, while an undersized one runs nonstop and still falls behind on the hottest afternoons. That's why we never just copy the tonnage of the old unit. Instead, we run a real load calculation using your square footage, insulation, windows, and ductwork, and for mini-splits we size each head to the room it serves.
Picking a new system comes down to more than efficiency ratings. We'll compare heat pumps against a furnace-and-AC pair, and ducted against ductless, walking through operating costs, electrical and venting work, and the installation itself. Families with a growing household often do best with two-stage or variable-speed equipment, which holds tighter temperatures across the whole house and uses less energy. You choose what fits your home and budget.
Repairs We HandleMost repair calls we get in Portsmouth come down to a handful of recurring problems. The air conditioner blows warm air. The furnace won't light, or it lights and shuts off minutes later. The evaporator coil freezes solid, the condenser hums without starting, or a mini-split starts flashing error codes. Add refrigerant leaks, clogged drains, and forgetful thermostats, and you have the full list. We fix every one of them, always targeting the component that actually failed.
Some problems are mostly a nuisance, while others pose real risks. A weak capacitor simply keeps the compressor from starting, but a cracked heat exchanger can leak combustion gases into your living space, and a blocked condensate drain can quietly ruin a ceiling. We match the fix to the failure: capacitors, contactors, and fan motors on cooling systems, igniters, flame sensors, and control boards on furnaces, sealed and repaired ductwork where conditioned air is bleeding into the attic, and refrigerant recovered and recharged after a repaired leak. Whatever you're facing, our team has the parts and experience to handle it.
An inspection today can spare you a costly breakdown later. Call for an honest assessment.
Call (857) 767-3372 TodayHVAC breakdowns never come at a convenient time. They tend to hit on the hottest afternoons of summer and the coldest nights of winter, exactly when everyone at home depends on heating or cooling the most. Our same-day and emergency service gets a technician to your door fast, with the tools and parts to find the fault and fix it on the spot. If the system is beyond saving, we plan and install a correctly sized replacement quickly.
Every visit comes with transparent, upfront pricing and no hidden fees, and our technicians focus on fixing the actual cause for lasting results. We've helped thousands of Portsmouth homeowners get their comfort back, and we're happy to walk you through exactly what we found, what we fixed, and how to keep your system healthy going forward.
Lasting ResultsLong-term reliability comes from finding out why a part failed, not simply replacing it. Portsmouth HVAC checks airflow, duct design, and installation quality on every call, since those hidden issues are behind many repeat failures. We treat your home the way we'd treat a neighbor's, because that's what you are.
Each job follows the same straightforward process. We inspect carefully, recommend clearly, complete the repair or installation professionally, and give you practical advice on upkeep. Start to finish, we handle every detail. For year-round protection, ask about our maintenance plans.
Our experienced technicians are ready to help with any HVAC problem in Portsmouth and surrounding areas.
Get Help: (857) 767-3372