Merz Heating and Air Conditioning

Merz Heating and Air Conditioning Merz is locally owned by Pat Gebben. We are a full service heating, ventilation, air conditioning, and refrigeration shop.

We do everything from large commercial to residential and everything in between

Don't leave your homes comfort to chance- start with a trusted HVAC partner who will help you get it right the first tim...
06/23/2026

Don't leave your homes comfort to chance- start with a trusted HVAC partner who will help you get it right the first time!

At Merz Heating & Air Conditioning, we've been helping home owners enjoy dependable comfort for over 90 years. Whether you're working with a builder or planning your custom dream home, our experienced team can help you select the ideal heating and cooling system to maximize comfort, energy efficiency, and long-term value.

Contact us today to get started, 217-342-2323.

Happy Father's Day from all of us at Merz Heating & Air Conditioning! Just as a dependable HVAC system keeps a home comf...
06/21/2026

Happy Father's Day from all of us at Merz Heating & Air Conditioning!

Just as a dependable HVAC system keeps a home comfortable year-round, fathers provide the strength, stability, and warmth that make a house feel like a home.

From our family to yours, we wish you a relaxing and well-deserved Father's Day!

And we wrapped the day up with a cookout for our team and some special guests stopped by for a visit!
06/16/2026

And we wrapped the day up with a cookout for our team and some special guests stopped by for a visit!

Working on something special today!
06/16/2026

Working on something special today!

When you choose Merz you're also choosing our trusted partner, Lennox. We are proud to have a partnership with Lennox, t...
06/11/2026

When you choose Merz you're also choosing our trusted partner, Lennox. We are proud to have a partnership with Lennox, the leader in HVAC comfort. Homeowners can count on Lennox systems for efficient cooling, dependable operation, and quality that stands out.

Give us a call today to install a new Lennox system for your home or business, 217-342-2323.

Today will be a HOT one and our techs are working around the clock. Don't hesitate to call us if you're having troubles,...
06/09/2026

Today will be a HOT one and our techs are working around the clock. Don't hesitate to call us if you're having troubles, we are ready and eager to get you back to feeling cool! Give us a call, 217-342-2323.

For more than 90 years, our team has built a reputation on trust, craftsmanship, and attention to detail. Every project ...
06/02/2026

For more than 90 years, our team has built a reputation on trust, craftsmanship, and attention to detail. Every project starts with careful planning and expert collaboration because we know the smallest details can make the biggest difference.

From the first blueprint to the final installation, we're dedicated to getting the job done right the first time. Call us today for all your HVAC needs and see why choosing Merz makes all the difference, 217-342-2323.

From rooftop repairs to hard-to-reach installs, our expert team is ready for any challenge. No matter the height, no mat...
05/28/2026

From rooftop repairs to hard-to-reach installs, our expert team is ready for any challenge. No matter the height, no matter the job- we bring the skill, safety, and experience to get it done right the first time!

When you call us, you can depend on quick service from our technicians who never cut corners. Give us a call today, 217-342-2323.

From all of us at Merz Heating and Air Conditioning thank you to our fallen heroes and the families who carry their lega...
05/25/2026

From all of us at Merz Heating and Air Conditioning thank you to our fallen heroes and the families who carry their legacy forward. Wishing everyone a safe and meaningful Memorial Day!

Fast when you need your HVAC serviced. Right the first time and friendly every step of the way. Our technicians don't ju...
05/21/2026

Fast when you need your HVAC serviced. Right the first time and friendly every step of the way.

Our technicians don't just show up- they show up ready with the experience to diagnose quickly, the skill to fix it correctly, and the kind of service that makes you feel taken care of from start to finish.

Call us today to service your HVAC unit, 217-342-2323.

Address

509 S Willow Street
Effingham, IL
62401

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

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