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About Electric Furnaces

About Electric Furnaces

Electric furnaces provide reliable heating without the need for natural gas, propane, or other combustible fuels. Instead of burning fuel, an electric furnace uses electric heating elements to warm the air while a blower distributes it through the home's ductwork. With no burners, gas valve, flue, or combustion process, electric furnaces offer a straightforward option for homes with electric HVAC systems.

Electric furnaces can be used as the primary source of heat or incorporated into a larger heating and cooling system. Depending on the equipment and application, they may be paired with a central air conditioner or used alongside compatible heat pump equipment. They're commonly found in residential homes, manufactured housing, apartments, condominiums, and other properties where gas service isn't available or electric heat is preferred.

Choosing the Right Electric Furnace

The right electric furnace needs to provide both the heating capacity and airflow required by the home. Important considerations include heat output, blower capacity, voltage and electrical requirements, installation orientation, cabinet dimensions, and compatibility with the rest of the HVAC system.

Electric heating capacity is typically expressed in kilowatts (kW). A larger heat kit provides greater heating output but also requires more electrical capacity. The correct size should be based on the home's heating requirements rather than simply replacing an existing unit with the same kW rating.

Blower capacity is equally important when the furnace is paired with cooling equipment. The blower must be capable of delivering the airflow required by the air conditioner or other compatible equipment to maintain proper performance.

Electric Furnaces for Replacement and New HVAC Systems

Replacing an existing electric furnace can be an opportunity to evaluate the entire HVAC system rather than matching the old equipment by cabinet size alone. Changes in equipment efficiency, airflow requirements, electrical specifications, and system compatibility can affect which replacement is appropriate.

For new installations, properly matching the electric furnace with the cooling equipment helps the system deliver the intended heating, cooling, and airflow performance.

Shop Electric Furnaces

Same Day Supply offers residential electric furnaces in multiple capacities and configurations for replacement and new HVAC installations. Compare model specifications, blower capacities, heating options, electrical requirements, and compatible equipment to find the right solution for your system.

Browse our electric furnaces below to find dependable HVAC equipment from trusted manufacturers for your next installation or replacement.

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Quick Questions at a glance

Frequently Asked Questions About HVAC Equipment

What is HVAC equipment?

HVAC equipment includes the heating, ventilation, and air conditioning components that work together to keep your home comfortable year-round. Depending on your system, this may include air conditioners, heat pumps, gas furnaces, electric furnaces, air handlers, evaporator coils, packaged units, and complete split systems.

What is the difference between an air conditioner and a heat pump?

An air conditioner is designed to cool your home and works with a furnace or air handler to distribute conditioned air. A heat pump provides both heating and cooling by transferring heat between your home and the outdoors, making it an energy-efficient option in many climates.

What is a split system?

A split system separates the indoor and outdoor components of an HVAC system. The outdoor unit contains the compressor and condenser, while the indoor equipment typically includes an evaporator coil, furnace, or air handler. Split systems are the most common type of residential HVAC system.

What is a packaged HVAC unit?

A packaged unit combines all major heating and cooling components into a single outdoor cabinet. Packaged systems are commonly used when indoor installation space is limited or for certain residential and light commercial applications.

How do I choose the right HVAC system for my home?

The right system depends on your home's size, insulation, local climate, ductwork, energy efficiency goals, and budget. A qualified HVAC contractor can perform a proper load calculation to determine the correct equipment size and configuration for your home.

What size HVAC system do I need?

System size is based on more than square footage alone. Factors such as insulation, window placement, ceiling height, and regional climate all affect the heating and cooling requirements of a home. Proper sizing helps maximize comfort, efficiency, and equipment lifespan.

What do SEER2 and AFUE mean?

SEER2 (Seasonal Energy Efficiency Ratio 2) measures the cooling efficiency of air conditioners and heat pumps. Higher SEER2 ratings generally indicate greater energy efficiency. AFUE (Annual Fuel Utilization Efficiency) measures how efficiently a gas furnace converts fuel into usable heat. Higher AFUE ratings typically result in lower heating costs.

Should I replace my entire HVAC system or just one component?

In some situations, replacing a single component is appropriate. However, if your existing equipment is older or incompatible with newer efficiency standards, replacing the complete system may improve performance, reliability, and energy savings. Matching indoor and outdoor components is important for optimal operation.

How long does HVAC equipment typically last?

Most residential HVAC systems last between 10 and 20 years, depending on the equipment type, maintenance history, installation quality, and operating conditions. Routine maintenance and regular filter changes can help extend the life of your system.

Can I install HVAC equipment myself?

Most residential HVAC equipment should be installed by a licensed HVAC professional. Proper installation ensures safe operation, maximum efficiency, manufacturer warranty compliance, and adherence to local building codes.

How often should HVAC equipment be serviced?

Most manufacturers recommend professional maintenance at least once a year. Systems that provide both heating and cooling, such as heat pumps, often benefit from seasonal maintenance before both the cooling and heating seasons.

How often should I replace my air filter?

Most standard 1-inch filters should be checked monthly and replaced every 1 to 3 months, depending on household conditions. Homes with pets, allergies, or higher dust levels may require more frequent filter changes to maintain proper airflow and indoor air quality.

Does higher efficiency equipment save money?


Higher efficiency HVAC equipment typically consumes less energy, which can reduce monthly utility costs. While high-efficiency systems may have a higher upfront cost, many homeowners recover that investment over time through lower energy bills and improved comfort.

Do you sell complete HVAC systems?

Yes. Depending on the equipment category, complete systems may include matched indoor and outdoor components designed to work together. Individual replacement components, including furnaces, air conditioners, heat pumps, air handlers, and evaporator coils, are also available.