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Heat Pump Installers

in Watertown, WI

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24-Hour
& Weekend Availability

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Serving Watertown since 1996

Heat Pump

Heat Pump Services in Watertown

Heat pumps provide heating and cooling from a single HVAC system, making them a versatile option for year-round comfort. Carew Heating & AC provides heat pump installation in Watertown, WI, along with heat pump repair, replacement, and maintenance for homeowners looking to improve comfort and efficiency. Modern cold-climate systems can continue providing reliable heat through Wisconsin winters while operating as an efficient air conditioner during warmer months. 

Our technicians can evaluate your home’s layout, existing HVAC equipment, ductwork, insulation, and comfort needs to determine whether a heat pump is a good fit. Whether you are replacing an older heating and cooling system or need service for an existing heat pump, Carew provides straightforward recommendations based on your home and equipment.

Ductless Mini-Splits

Ductless mini-split systems are compact heat pumps that deliver heating and cooling directly to individual rooms or zones without traditional ductwork. They can be great choices for additions, garages, finished attics, older homes without ducts, or rooms that are difficult to keep comfortable with the main HVAC system. Carew provides ductless mini-split installation and service and is a Mitsubishi Electric Diamond Contractor, reflecting advanced training with Mitsubishi Electric ductless technology. 

Mini Split Services

HeatPump HowItWorks

How Does a Heat Pump Work?

Instead of creating heat through combustion, a heat pump moves heat from one place to another using refrigerant and a compressor. During the summer, it operates much like an air conditioner by pulling heat from inside your home and releasing it outdoors. During colder weather, the process reverses. The heat pump extracts available thermal energy from the outdoor air and transfers it inside to warm your home. Modern cold-climate heat pumps are designed to continue operating efficiently at much lower outdoor temperatures than earlier generations of heat pump equipment, making them a practical option for many Wisconsin homes.

Why Choose Carew Heating & AC for Local HVAC Services

why customerservice

Customer-First Service

We assess your home and explain whether a heat pump makes sense for your comfort needs instead of treating one system as the right answer for every property.

why quality

Quality You Can Feel

Proper sizing and installation matter with heat pumps. Our technicians provide dependable workmanship and equipment performance throughout both heating and cooling seasons.

Experienced HVAC contractor working on an HVAC system

Around-the-Clock Support

Carew answers HVAC emergency calls 24/7 when a heating or cooling problem can’t wait until regular business hours.

why trusted

Trusted Local Experts

Carew has served Watertown and surrounding communities since 1996 and brings decades of local HVAC experience to heat pump installations and service.

Trusted by Your Community

4.9 ★★★★★(1.2k)
membership logo

Because a heat pump works during both heating and cooling seasons, routine maintenance is important for keeping the system ready for year-round use. Carew’s Comfort Club provides annual HVAC maintenance along with service benefits that can make ongoing heat pump care easier and more predictable.

Annual Heating & Cooling Maintenance

Priority Scheduling

15% Savings on Parts & Filters

Affordable Heat Pump Financing in Watertown

Installing a new heat pump can be a significant home comfort investment, especially when replacing multiple pieces of older HVAC equipment. Carew offers heat pump financing through Wells Fargo for qualified homeowners, providing flexible payment options for eligible HVAC projects. Explore available financing before moving forward with a new heat pump or ductless system.

Our Service Areas

Our Watertown headquarters allows Carew to serve customers throughout most of Southeast Wisconsin. Our service area includes Lake Mills, Jefferson, Johnson Creek, Oconomowoc, Waukesha, Sun Prairie, Waterloo, Fort Atkinson, and other surrounding communities.

Our Service Area

Frequently Asked Heat Pump Questions

Can a heat pump work during a Wisconsin winter?

Yes, modern cold-climate heat pumps are designed to provide heating and temperatures well below freezing. The right system and setup depend on your home’s heating load, insulation, existing HVAC equipment, and other factors, so a professional evaluation is important before choosing equipment.

Yes, a heat pump reverses the direction it moves heat depending on the season. It removes heat from your home during summer and transfers outdoor heat into your home during colder weather, providing both heating and cooling from one system.

A ductless mini-split is a type of heat pump that delivers conditioned air directly into individual rooms or zones without traditional ductwork. Central or ducted heat pumps use an existing duct system to distribute heating and cooling throughout the home.

Get Your Free Heat Pump Estimate in Watertown Today