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Heating, Heat Pump & Furnace Repair in Bloomington, Carmel, Fishers, Greenwood, Indianapolis, IN from Bolls Heating & Cooling.

Keeping Hoosiers Warm Since 1948

Bolls Heating & Cooling has earned a reputation among both Hoosier’s businesses and homeowners alike for expert heating system installations. Our on-staff Installation Engineers work to provide custom tailored HVAC solutions that deliver maximum efficiency and performance. We offer a variety of heating systems from gas to electric, dual fuel, two-stage furnace, radiant heat and oil options. Our Installation Engineers can help you determine the right system for your individual application. Remember: Bolls Heating & Cooling provides same day service on No Heat or No Cool calls received before noon, 7 days a week, every day of the year. As an added bonus, you receive our Total Comfort Service Plan for one full year at NO CHARGE on newly installed equipment!

Here’s a brief overview of heating & furnace options:

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Forced Air Gas Furnaces

Bolls offers various forced air gas furnace solutions, including 80+ AFUE (annual fuel utilization efficiency) and 90+ AFUE forced air gas furnaces with multi-speed and variable-speed blowers.

Multi-speed blowers offer a degree of flexibility with 4 available speed settings, which are set by the HVAC technician to meet your specific needs. Usually, the fan is set at lower speeds for heating and higher speeds for cooling. Variable-speed blowers work with other controls to adjust blower speed to meet your home’s heating and cooling needs. The ‘smart’ motors operate the blowers at the proper speeds based on temperature.

When combined with a central air unit, variable speed motors offer enhanced dehumidification and, when combined with certain humidifiers, longer run cycles result in increased humidity during heating cycles.

Gas Boilers

Gas Boilers come in both steam and hot water models and are often found in older historic homes that use radiators to distribute the heat. Boilers may also be connected to in-floor piping for whole-house heating.


Electric Heat Pumps

Efficient for both heating and cooling homes and offices, Heat Pumps utilize the refrigeration cycle to provide greater efficiency than electric furnaces alone. Since heat pumps can provide heat without using gas or oil, they’re an excellent solution for additions where existing gas piping is non-existent.

Electric Baseboard Heaters

Electric Baseboard Heaters are popular throughout Indiana for providing supplemental heat in particular rooms, although they can be used to heat an entire home or office.


By combining a heat pump with a gas or oil furnace, you can actually increase efficiency. Heat pumps primarily operate in mild winter weather so you reduce gas consumption. When outdoor temperatures drop below the heat pump’s optimum capacity, the gas furnace acts as a backup heat source.

Two-Stage Furnace

Two-stage capability allows a furnace to operate on a low setting to reduce gas usage. This gentle stage also provides better humidity control when combined with a humidifier while running quieter. Automatic second stage operation takes place in severe cold weather or when rapid heating of the home is required. Two stage furnaces are offered with variable speed fans for the ultimate in comfort and control.

Radiant Heat

Radiant Heat relies on the natural transfer of heat from warm objects to cooler objects, thus eliminating the use of forced air. This results in an amazingly comfortable environment. Radiant Heating can utilize hot water, steam or electricity for quick and efficient heating. Radiant heat uses radiators to distribute heat, as well as floor, ceiling and wall installations. Modern boilers provide a highly efficient method to adapt radiant heat output to outdoor temperatures. Electric webbing is often installed under floors to use radiant heat to take the chill out of hard surfaces. Radiant heat is popularly used in bathroom and kitchen remodels due to the ease of retrofitting them to most homes.

Oil Options

Within rural areas of Indiana you’ll find many residential heating oil systems in use due to the lack of other utility services. Oil using appliances require a storage tank and oil delivery system to refill and maintain the tank. Oil furnaces are available in up-flow and horizontal applications. Oil boilers are also available in steam and hot water models.

Your Bolls Heating & Cooling expert can help you select the right heating system for your home or business.

Contact Bolls Heating & Cooling for all of your commercial and residential heating and cooling needs

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