Trusted service, reliable care, and a local touch.
When your HVAC system gives you trouble, you should not have to wonder who to call or what happens next. Great Bison Heating & Cooling provides residential heating and cooling support for local homeowners. As your local HVAC contractor in Medina NY, we focus on clear service, helpful communication, and practical solutions that help your home stay comfortable season after season.
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.
Good furnace installation is built around your home, not just the equipment available that day. We install new furnaces, replace older heating systems, handle gas furnace setups, review high-efficiency options, remove old units, connect thermostats, and help with urgent replacements when your furnace finally gives out.
When your furnace acts up, it can be hard to know whether the issue is minor or more serious. Our furnace repair team takes the time to inspect the system, diagnose concerns like pilot light problems, blower motor wear, thermostat errors, and odd noises, then completes the repair and checks safety before we leave.
A new boiler should be matched to your home before installation begins. We handle new boiler installs, replacements, and high-efficiency upgrades using load calculations to guide proper sizing. Our team also connects radiant heating, removes old equipment, tests system startup, and helps with emergency boiler replacements when timing matters.
When the forecast starts heating up, our AC installation service helps get your home ready for summer comfort. We install central air systems, replace aging units, and recommend energy-efficient cooling options sized for your home, while also connecting a new thermostat and removing your old equipment.
When your cooling system starts acting up, summer comfort can disappear quickly. Our AC repair services inspect refrigerant leaks, frozen coils, compressor concerns, capacitor problems, thermostat issues, poor airflow, weak cooling, and emergency AC breakdowns to help get your home back to a cooler temperature.
AC maintenance before the hot season helps your system work more smoothly when your home needs cooling most. We clean and inspect coils, replace filters, check refrigerant levels, test electrical components, calibrate thermostats, and evaluate system performance to help identify small problems early.
Ductless HVAC systems are a helpful choice for homes without existing ductwork or spaces that need added comfort. Our installation service covers single-zone and multi-zone setups that heat and cool quietly, provide room-by-room control, and use less energy than many older heating and cooling options.
If one part of your home never feels comfortable, a mini-split system can provide targeted control right where you need it. We install wall-mounted units for additions, finished spaces, and difficult rooms, then size and commission the system so it operates efficiently from day one.
A heating or cooling system can only do so much if the ductwork is leaking, damaged, or poorly balanced. We install new ductwork, repair and replace damaged runs, seal air leaks, balance airflow, modify duct layouts for home remodels, and help reduce hot and cold spots in living spaces.
A new water heater should fit your household’s hot water demand without wasting energy. Our water heater installation service covers gas and electric models, help with choosing the right size, energy-efficient options that support better utility use, and removal of the old tank after the replacement is complete.
A lack of hot water can be frustrating, especially when your household depends on it every day. Our water heater repair and maintenance service helps identify what is wrong, from leaks and heating element issues to thermostat trouble and tank flushing needs on gas and electric units.
For homeowners who want one system to handle both winter warmth and summer cooling, heat pumps can be a strong option. Our heat pump services include installation, replacement, repair, and maintenance, plus thermostat and control upgrades that support efficient comfort in every season.
In Medina, NY, Great Bison Heating & Cooling recommends service if you notice gas odors, soot, carbon monoxide alerts, burner discoloration, or repeated ignition failures.
In Medina, NY, furnace installation should include proper sizing, safe venting, airflow verification, thermostat setup, and a final system test from Great Bison Heating & Cooling.
In Medina, NY, AC buzzing can point to electrical issues, loose parts, contactor trouble, failing capacitors, or outdoor unit problems that need diagnosis.
In Medina, NY, Great Bison Heating & Cooling can evaluate ductwork during replacement to improve airflow, reduce restrictions, and support the new equipment.
In Medina, NY, mini-splits can provide dedicated cooling and heating for upstairs spaces that stay warmer or cooler than the main floor.

When cold weather arrives, your furnace needs to be ready to support your home. Our furnace service includes new system installation, furnace replacement, and heating upgrades, with gas and high-efficiency models chosen for your space. We haul away old equipment, set up thermostat controls, and help with emergency replacements when your current system stops working.
If your furnace is not heating properly, replacement is not always the first answer. Our repair team takes a close look at no-heat calls, ignition and pilot light trouble, blower motor issues, strange sounds, and odors that should be checked. Once we locate the problem, we test the system for safe operation and performance, with emergency repairs available when your heat goes out at the wrong time. For homes that rely on boiler heat, a properly matched system helps support steady comfort. We install and replace residential boilers, including high-efficiency units, and calculate heating load before sizing the equipment.
In Medina, NY, Main Street Historic District features restored architecture, village character, and convenient access to local shops and services. Great Bison Heating & Cooling is an HVAC contractor offering furnace installation that helps homeowners modernize comfort while improving heating efficiency in older properties.
In Medina, NY, Park Avenue is known for classic homes, mature streets, and historic residential appeal. Great Bison Heating & Cooling provides furnace installation that helps homeowners reduce uneven heat, replace outdated equipment, and enjoy dependable warmth during Western New York winters.
In Medina, NY, Oak Orchard Street offers established homes near village amenities and the canal corridor. Great Bison Heating & Cooling offers furnace installation that can improve heating reliability, support better energy use, and keep households comfortable when cold weather arrives.
When the weather shifts outside, your home should still feel comfortable, and we are here to help.