Reliable care with trusted service from a local team.
A sudden HVAC issue can leave your home uncomfortable at the worst possible time. Great Bison Heating & Cooling helps homeowners with residential heating and cooling care when their systems need attention. As your local HVAC contractor in Middleport NY, we’ll review what is happening, explain the issue clearly, and help get your indoor comfort back where it belongs.
Our customers have a lot to say, and we're thankful for it. As of June 2026, we have a 5-out-of-5-star rating on Google with over 460 reviews from people in the area. Read their feedback to see what makes our team different.
A quality furnace installation starts with careful equipment selection based on your home’s needs. We install new furnaces, replace aging systems, handle gas furnace setups, recommend high-efficiency options, remove old equipment, connect thermostats, and help with emergency replacements when your current system is no longer dependable.
Furnace trouble can leave you wondering what went wrong and how quickly your home can feel warm again. Our repair team checks pilot lights, blower motors, thermostats, noises, and other system concerns. Once we identify the cause, we repair the issue and review safety so your heating system is ready to run.
Our boiler installation work covers new systems, replacement boilers, and high-efficiency equipment selected for your home. We use load calculations to guide system sizing, help avoid overworking the setup, connect radiant heating as needed, remove old equipment, perform startup testing, and assist with emergency boiler replacements.
Preparing for summer is easier when your home has the right AC system in place. Our AC installation service includes central air setups, replacement units, and energy-efficient cooling equipment sized for your home, along with thermostat installation and old unit removal.
When your home feels warmer than it should, your air conditioner may need attention. Our AC repair services check for cooling issues, refrigerant leaks, frozen coils, compressor and capacitor problems, thermostat trouble, airflow concerns, and emergency breakdowns to help get your system working again.
Routine cooling system maintenance helps your AC prepare for hot weather before the season is in full swing. We clean coils, inspect components, replace filters, check refrigerant levels, test electrical parts, calibrate thermostats, and review system performance to help find small concerns early.
If adding ductwork is not the right fit for your home, ductless HVAC installation can bring comfort to the rooms you actually use. We set up single-zone and multi-zone systems for quiet heating and cooling, individual room control, and better energy use than many older setups.
Mini-splits are a helpful option for additions, bonus rooms, and converted spaces that need separate comfort control. We install wall-mounted units where they are needed, size the system for the room, complete the setup, and commission the equipment for efficient performance.
If your HVAC system is running but the airflow feels weak, the ductwork may need attention. Our team installs new ducts, repairs damaged sections, replaces worn runs, seals air leaks, balances airflow, modifies ductwork for remodels, and helps address uneven heating and cooling throughout the home.
Running out of hot water can disrupt your whole routine. Our water heater installation service helps homeowners select a system designed around household demand. We install gas and electric units, help choose the right size, review energy-efficient options, and haul away the old tank after installation.
When your water heater isn't keeping up, there may be a serviceable issue causing the problem. Our repair and maintenance team checks gas and electric units for leaks, faulty heating elements, thermostat problems, and sediment buildup, then handles tank flushing and needed repairs.
Heat pumps are built for year-round home comfort, giving you cooling during summer and warmth during winter. Our team installs, replaces, repairs, and maintains heat pump systems, while also upgrading thermostats and controls to support efficient operation in every season.
In Middleport, NY, a constantly running furnace may have thermostat issues, poor insulation, restricted airflow, dirty burners, duct leakage, or equipment sizing concerns.
In Middleport, NY, boiler repair may be needed when heat is delayed, rooms stay cold, pressure changes, water leaks, or unusual sounds develop.
In Middleport, NY, ask Great Bison Heating & Cooling about sizing, airflow, duct condition, thermostat options, equipment compatibility, and post-installation testing.
In Middleport, NY, ductless HVAC can help condition a finished basement independently when the main system does not provide enough airflow.
In Middleport, NY, damaged or leaky ductwork can pull dust from unconditioned areas and distribute it through living spaces.

A well-planned furnace service visit can help your home move from an aging system to steady winter heat. We install new furnaces, replace worn equipment, and upgrade systems with gas and high-efficiency options sized for your home. We remove the old unit, set up thermostat controls, and assist with emergency replacements.
A furnace can stop heating for several reasons, and the right repair starts with finding the actual cause. Our heating team checks ignition issues, pilot light trouble, blower motor problems, no-heat calls, odd noises, and odors that make you uneasy. Once the issue is found, we test system safety and performance, with emergency repairs available when cold weather makes fast service important. For homes that rely on hot-water heat, a well-sized boiler helps support steady comfort. We install and replace residential boilers, including high-efficiency units, and complete load calculations before recommending equipment.
In Middleport, NY, Manor Lane offers a neighborhood-style residential setting with attractive homes and a quiet local feel. Great Bison Heating & Cooling is an HVAC contractor offering furnace installation that helps homeowners improve heating efficiency, system reliability, and winter comfort.
In Middleport, NY, Erie Canal District features established homes, village charm, and access to scenic canal-side amenities. Great Bison Heating & Cooling provides furnace installation that helps homeowners update older heating equipment, reduce comfort issues, and maintain dependable warmth.
In Middleport, NY, Telegraph Road offers a rural edge with larger lots, quieter surroundings, and country-residential appeal. Great Bison Heating & Cooling offers furnace installation designed to improve balanced heat, efficient operation, and reliable comfort through the cold season.
Your home should feel good when temperatures rise or fall, and our crew is ready to help.