Reliable, local, and trusted service for your home.
When the furnace shuts down during cold weather, or the air conditioner stops keeping up in July, waiting around is the last thing any homeowner wants. Great Bison Heating & Cooling is here to help with dependable residential HVAC care. As your local HVAC contractor in Olcott NY, we work to find the problem, talk through your options, and help restore comfort throughout your home.
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.
The right furnace installation is about more than putting in new equipment. It starts with finding a heating system that makes sense for your home. We install furnaces, replace aging systems, handle gas furnace setups, review high-efficiency options, remove old units, connect thermostats, and help when an unexpected replacement is needed.
No homeowner wants to start the day in a cold house, which is why our furnace repair team works carefully to find the issue. Whether your system has a faulty pilot light, worn blower motor, uneven thermostat reading, or an unusual sound, we trace the problem, review the repair, and test for safe operation.
We install new boilers, replace aging units, and help homeowners choose high-efficiency systems sized properly for their homes. Our team runs load calculations before installation, connects radiant heating where needed, removes old equipment, performs full startup testing, and helps with urgent boiler replacements when your current system can no longer keep up.
Warm weather has a way of showing up quickly, which is why our AC installation service is designed to get your home ready before temperatures climb. From central air systems and replacement units to energy-efficient options sized for your home, we manage the installation, thermostat setup, and old unit removal.
When your air conditioner stops keeping up, your home can heat up quickly. With our AC repair services, we inspect cooling issues, refrigerant leaks, frozen coils, compressor problems, capacitor failures, thermostat concerns, airflow restrictions, and emergency breakdowns to help restore cool air throughout your home.
Routine AC maintenance helps your cooling system operate more smoothly before hot weather settles in. Our service includes coil cleaning and inspection, filter replacement, refrigerant level checks, electrical testing, thermostat calibration, and performance review to help spot minor issues before they become larger problems.
If your home does not have existing ducts, ductless HVAC installation can give you flexible heating and cooling without major ductwork. We set up single-zone and multi-zone systems that let you control comfort in specific rooms, while using less energy than many outdated systems.
Mini-split installation gives homeowners a flexible way to heat and cool spaces that need extra attention. We install wall-mounted units for additions, finished rooms, and hard-to-comfort areas, then size, set up, and commission the system so it starts running efficiently right away.
When airflow is weak, your heating and cooling system may struggle to keep every room comfortable. Our ductwork services help improve how air travels through the home with new duct installation, duct repairs, section replacements, leak sealing, airflow balancing, remodel modifications, and support for reducing hot and cold areas.
No one wants to step into a cold shower before the day even begins. Our water heater installation service helps homeowners choose a system that fits their household needs. We install gas and electric models, review sizing options, offer energy-efficient choices, and haul away the old tank once the new unit is in place.
If your hot water runs out too soon, your water heater may need a repair or maintenance visit. Our team checks the system, tracks down the issue, and handles leaks, faulty heating elements, thermostat trouble, and tank flushing on gas and electric units to help support steady operation.
Heat pumps are a convenient option for homeowners who want heating and cooling from one system. Our heat pump services cover new installations, replacements, repairs, and maintenance, plus thermostat and control upgrades designed to help your home stay comfortable and energy efficient all year.
In Olcott, NY, Great Bison Heating & Cooling suggests calling for service if your furnace makes new noises, produces uneven heat, runs constantly, or causes noticeable indoor comfort swings.
In Olcott, NY, boiler installation can be a strong choice for steady hydronic heating, and Great Bison Heating & Cooling can evaluate your home's layout and heating needs.
In Olcott, NY, turn the system off and contact Great Bison Heating & Cooling because frozen AC coils can point to airflow problems, refrigerant issues, or dirty components.
In Olcott, NY, uneven cooling may be caused by duct leaks, poor insulation, blocked vents, equipment sizing, or airflow imbalance that Great Bison Heating & Cooling can assess.
In Olcott, NY, Great Bison Heating & Cooling installs mini-split systems for zoned comfort, especially in rooms where extending ductwork is impractical.

Your furnace matters most when the temperature drops and your home needs steady heat. Our furnace service covers new systems, replacement units, and heating upgrades, including properly sized gas and high-efficiency options. We handle old equipment removal, thermostat setup, and urgent replacement needs so your family can stay warm with clear next steps.
A furnace problem does not always mean it is time for a new system. In many cases, it needs a thorough look from someone who understands heating equipment. Our repair team checks no-heat concerns, ignition failures, pilot light trouble, blower motor issues, strange sounds, and odors that should not be ignored. After locating the source, we test for safe operation and performance, with emergency repair support available when your heat goes out unexpectedly. For homes that use hot-water heat, a properly selected boiler plays a major role in comfort and efficiency. We install and replace residential boilers, including high-efficiency models, using load calculations to avoid unnecessary system strain.
In Olcott, NY, Olcott Beach is a popular lakeside district with cottages, year-round homes, and access to Lake Ontario attractions. Great Bison Heating & Cooling is an HVAC contractor offering furnace installation that helps homeowners handle cold winds, improve efficiency, and stay comfortable all winter.
In Olcott, NY, Olcott Harbor is known for waterfront appeal, boating access, and scenic residential pockets near the lake. Great Bison Heating & Cooling provides furnace installation to help homeowners upgrade older systems, improve indoor warmth, and prepare for demanding winter weather.
In Olcott, NY, East Lake Road includes desirable lake-area homes where winter comfort is especially important. Great Bison Heating & Cooling offers furnace installation that can improve heating reliability, support energy efficiency, and help homeowners maintain steady warmth during lake-effect conditions.
No matter what the weather brings, your home should feel good, and our crew is ready to help.