Trusted Heating & Cooling Services Since 1955

For generations, homeowners and businesses throughout Southeast Michigan have trusted Mulligan Heating for dependable HVAC service and quality workmanship.


Our new website is coming soon, but our team is still open and ready to help.
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Cooling Services

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Heating Services

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Water Heaters

Your Local Heating and Cooling Experts

WE DO IT RIGHT THE FIRST TIME

Mulligan Heating is a third-generation, family-owned company based in White Lake, Michigan. Since 1955, we’ve helped local families stay comfortable through Michigan’s coldest winters and hottest summers.



Whether you need a quick repair, routine maintenance, improved indoor air quality, or a complete system replacement, our experienced technicians are ready to provide an honest recommendation and dependable solution.

Services That Keep You Comfortable

ONE CALL FOR YEAR-ROUND COMFORT

At Mulligan Heating Inc., we offer a full range of HVAC services designed to keep your system running efficiently in every season. Whether you need a quick repair or a full system replacement, we’re here to help.

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Furnace Repair

If your furnace isn’t keeping your home warm, our technicians can diagnose the problem and get your heat running properly again.

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Furnace Replacement

When it’s time for a new furnace, we’ll help you choose and install an efficient system that fits your home and comfort needs.

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Air Conditioning Repair

Stay comfortable during the Michigan summer with prompt, professional air-conditioning repair.

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Air Conditioning Replacement

Upgrade your home with a properly sized, energy-efficient cooling system installed by experienced professionals.

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Water Heater Services

We repair and replace traditional gas, electric, tankless, and indirect water-heating systems.

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Indoor Air Quality

Create a healthier and more comfortable home with air purification, filtration, humidity-control, ventilation, and other indoor air-quality solutions.

Proudly Serving Southeast Michigan

Mulligan Heating is based in White Lake and provides heating, cooling, water-heater, and indoor air-quality services throughout nearby communities, including:


White Lake • Waterford • Clarkston • Commerce Township • West Bloomfield • Milford • Highland • Holly • Fenton • Novi • Northville • Plymouth • Brighton • South Lyon • Rochester • Rochester Hills • Birmingham • Bloomfield Hills • Farmington Hills • Troy • Royal Oak • Ann Arbor


We also serve many surrounding Southeast Michigan communities.


Not sure whether your property is within our service area?
Call (248)-698-9700 and our team will be happy to assist you.
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Why Homeowners Choose Mulligan Heating

LOCAL EXPERIENCE YOU CAN TRUST

Family-owned and operated

Serving Southeast Michigan since 1955

Certified and experienced technicians

Honest, upfront recommendations. Fast and dependable service.

24-hour emergency service

Free estimates for system replacements

Financing options available. Military and senior discounts available

Apply for Financing

One-year labor and five-year parts warranties, with extended options available

Request Service

OUR TEAM IS READY TO HELP

Complete the form below, and a member of the Mulligan Heating team will contact you regarding your heating or cooling needs.

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