517.258.1339
Tri-Delta Mechanical
HVAC Repair & Installation in Lansing, MI
Servicing Lansing, East Lansing, Okemos, Haslett, Holt, Dewitt, Grand Ledge and surrounding Mid-Michigan Communities
We help homeowners stay comfortable year-round with our HVAC services and installations. Our full service technicians are factory trained, servicing all makes and models of forced-air systems.
OFFICE LINE
517-258-1339
24HR EMERGENCY SERVICE
517-749-1502
OFFICE HOURS
By Appointment Only
Let us be your Sollution
If you’re in need of furnace or air conditioning repair within the greater Lansing area, you’ve come to the right place. Aside from our quick response times, we offer a 5-year parts and labor guarantee for our customers throughout our service area!
Or, if your HVAC system is outdated or no longer performing efficiently, it may be time for a replacement. Our installation services are second to none.
Tri-Delta Mechanical offers expert guidance and assistance and will work with you to design and install a heating or air conditioning system that meets your specific requirements. We handle every aspect of the installation ensuring a seamless transition with minimal disruption.
At Tri-Delta Mechanical, we are committed to exceeding our customers’ expectations at every turn. Trust in Tri-Delta Mechanical for your HVAC needs, you can rest assured that you’re receiving the highest level of service and expertise available.

We are proud to offer the following services to Lansing, East Lansing, Okemos, Haslett, Holt, Dewitt, Grand Ledge and surrounding Mid-Michigan Communities



In need of a HVAC Repair? Experience the Tri-Delta Advantage
CONNECT FOR COMFORT
Schedule your consultation today to discuss your HVAC needs.
Areas We Serve
Servicing Greater Lansing Including the Following Cities and Townships:
Bath, MI – Charlotte, MI – Delhi Twp, MI – Delta Twp, MI – Dewitt, MI
East Lansing, MI – Eaton Rapids, MI – Grand Ledge, MI – Haslett, MI – Holt, MI
Mason, MI – Meridian Twp, MI – Okemos, MI – Potterville, MI – St, Johns, MI
FAQ
How often should I have my HVAC system serviced?
At least once a year for both heating and cooling systems. Ideally, have your A/C checked in the spring and your furnace in the fall.
How long does an HVAC system last?
Most systems last 12 to 18 years, but with proper maintenance, some can operate efficiently for 20 years or more.
What size HVAC system do I need?
It depends on factors like square footage, insulation, windows, climate, and occupancy. Our technician can perform a load calculation to determine the right size for your home.
How often should I change my air filter?
Typically a 1″ filter should be checked at least once per month and changed as needed.
Why won’t my furnace turn on?
First check the thermostat and circuit breaker for power. Check your filter for restrictions If those are all fine, it may be time for a technician.
Why is my A/C blowing warm air?
It could be due to low refrigerant, a dirty filter, thermostat issues, or a faulty compressor.







