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Your Trusted HVAC & Geothermal Experts in Croswell, MI
GeoMasters Heating and Cooling has been a trusted provider of heating, cooling, and plumbing solutions since 1967. Our family-owned business, now in its third generation, began as Gardner Plumbing & Heating in the 1940s and evolved into a leader in geothermal heat pump systems after installing Michigan's first closed-loop geothermal system in 1980. We specialize in high-quality installations, maintenance, and repairs for residential and commercial clients, offering energy-efficient technologies like radiant in-floor heating, snow melt systems, and advanced air purification solutions. Our commitment to customer satisfaction is reflected in our guaranteed labor, personalized service, and dedication to supporting local businesses.

With decades of experience, we provide expert guidance on system selection, energy-saving strategies, and long-term maintenance to ensure optimal performance. Our team of certified technicians takes pride in delivering reliable, cost-effective solutions tailored to each client's unique needs. We operate with transparency, avoiding sales gimmicks in favor of honest advice and durable results. Located in Croswell, Michigan, we serve the Thumb Area with prompt response times and flexible scheduling options.
Services
Geothermal heat pumps HVAC installation Plumbing services Radiant in-floor heating Snow melt systems Air purification systems Hot water heaters Custom duct systems Dehumidification Winterization services
Details
  • Year established: 1967
Highlights and features
  • Third-generation family-owned business with 55+ years of local experience
  • Pioneers in Michigan geothermal system installations since 1980
  • Guaranteed labor and support for all heating, cooling, and plumbing systems
  • Comprehensive energy efficiency consulting and maintenance programs
  • Active participants in the Thumb Area business community
Services
Geothermal heat pumps
Our geothermal heat pump systems harness stable underground temperatures for efficient home heating and cooling. These eco-friendly systems eliminate fossil fuel use while providing consistent comfort and significant energy savings. With 40+ years of installation experience, we design custom closed-loop systems that integrate seamlessly with existing infrastructure while maximizing energy efficiency ratings.
HVAC installation
We specialize in complete HVAC system installations for residential and commercial properties. Our certified technicians handle gas, electric, and boiler heating systems alongside modern air conditioning units. Every installation includes personalized system sizing calculations and energy usage projections to ensure optimal performance and long-term cost savings for our clients in the Thumb Area.
Plumbing services
Our comprehensive plumbing services cover water supply lines, drain systems, and hot water solutions for both indoor and outdoor applications. From standard repairs to complete system replacements, we work with modern materials and techniques to ensure leak-free, durable installations that meet all local code requirements in Sanilac and Tuscola counties.
Radiant in-floor heating
We install radiant heating systems that provide even warmth distribution through flooring surfaces. This energy-efficient solution works with various flooring types and integrates with existing HVAC systems. Our custom designs consider home insulation factors and usage patterns to create optimal comfort zones in residential and light commercial spaces.
Air purification systems
Our air purification solutions combat allergens, pollutants, and odors through advanced filtration and UV technology. We offer whole-house systems that integrate with existing HVAC equipment to improve indoor air quality while maintaining system efficiency. Our technicians assess each home's unique air quality challenges to recommend the most effective purification solution.
People
Joel Cummings
Co-Owner
Joel Cummings co-owns GeoMasters Heating and Cooling, continuing his family's 55-year legacy in the HVAC industry. With extensive experience in geothermal system design and residential heating solutions, he ensures every installation meets the highest standards of efficiency and customer satisfaction.
Joseph Flint
Co-Owner
Joseph Flint brings decades of hands-on experience to his role as co-owner of GeoMasters. Specializing in plumbing systems and commercial HVAC installations, he maintains the family tradition of technical excellence and personalized service that has defined the business since 1967.
Questions
What are the benefits of geothermal heating systems?
Geothermal systems offer 340-400% efficiency ratings, eliminate fossil fuel use, provide consistent indoor temperatures, and require minimal maintenance. They also increase property value through energy savings and environmental benefits.
Do you offer emergency HVAC services?
Yes, we provide after-hours and weekend emergency services for urgent heating and cooling needs. Our team makes every effort to accommodate emergency situations outside regular business hours.
What areas do you service?
We primarily serve Michigan's Thumb Area, including Sanilac and Tuscola counties. Our service territory covers residential and commercial properties from coastal communities to inland townships.
What payment methods do you accept?
We accept major credit cards (Visa, MasterCard, American Express), PayPal, and traditional payment methods for all heating, cooling, and plumbing services.
How can I schedule service?
Call our main line at 810-679-2251 during business hours or use our online contact form. We respond to all inquiries within one business day and offer flexible appointment scheduling.
Do you provide warranties on installations?
Yes, we guarantee our labor and workmanship. We also assist customers with manufacturer warranties for equipment and components installed in residential and commercial properties.