606 Cedar Street
Saint Charles, IL 60174
630 200-6201

Local Reviews
for chicago, il

Rated 4.9 out of 5 stars based on 144 customer reviews

Excellent, professional service

Wally was prompt, intelligent and fixed our furnace as quickly as possible.

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Excellent service!

Wally was great! He is very knowledgeable about the heat pump gas furnace and thermostats, figured out the problem and solved it!

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Quick & Efficient

I called near 11am and spoke to Jessica- she got us a appt with Wally swinging by. He called to confirm his afternoon look see. Wally was there by 315p and was out the door by 4p. Did a quick & efficient fix and explained all that he did. We got heat and all is good Would definitely recommend!

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10/10 Service

I could not recommend Wojtek enough. He's now installed our mini split system and replaced our boiler. Excellent service, extremely knowledgeable, and I trusted him right away. He does quality work and always explains to us why he does what he does in a clear way. He never leaves a mess and always has a good vibe. Thank you Wojtek!!

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Excellent Service

Wally & “Team TDH” are very professional & keep a great installation performing in an optimal manner!

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Very professional. Clean work area. Great service

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Excellent service

I’d such a great service with TDH Mechanical both times I’ve used them. W. Wojtek was on time and friendly. He took the time to explain everything to me with great knowledge! I’m totally happy with the service and would definitely use them again.

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Efficient and helpful!

Ken was great. It was his second time coming out this season to help us with the same issue. He was more than happy to take the time to fix the problem permanently and also was willing to explain to me what was going on. Great customer service by Ken and the company willing to come back and make sure the issue was fixed.

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Excellent service!!!

Mark was great! Always pleasant and very knowledgeable . Thank you for coming out so quickly as resolving the issue!

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Start to Finish Professionalism

We needed a new furnace in the middle of a very cold winter. Figured we'd get taken advantage of IF we found someone who might fit us into their schedule. Turned out that we simply got timely and quick service at a normal and very price. The installers were very polite and considerate, barely disrupting our routines, if at all. They installed the new equipment beautifully, got rid of the old equipment painlessly, and even made sure we got our gas company rebate and an extended furnace warranty!

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Mark Keenan review 2-7-25

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5/5

Hes great, we're dumb for not recognizing that the heat had been turned down.

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Great work

Good communicator, did good work

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Best service ever!!!!

Thank you so much!

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Great service!

Very satisfied! Kevin came out on short notice, just 5 hours after I called for an appointment and exactly when he said he’d arrive. Quickly diagnosed our problem, and after a short trip to get parts completed the repair efficiently and cleanly. A genuinely nice guy who knows what he’s going, we were very happy.

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Job Locations
for chicago, il

Wally W.

Wally W. Job Checkin

TDH install 3 new carrier ac units with new uncased coil, power line and refrigeration lines.

TDH install 3 new carrier ac units with new uncased coil, power line and refrigeration lines.

Ken H.

Ken H. Job Checkin

Start up carrier ac


Wally W.

Wally W. Job Checkin

TDH repair Mitsubishi heat pump system, install new high pressure switch for outdoor unit.

TDH repair Mitsubishi heat pump system, install new high pressure switch for outdoor unit.

Wally W.

Wally W. Job Checkin

TDH repair Mitsubishi heat pump system, install new high pressure switch, reacharge system with new Putin R410a.

TDH repair Mitsubishi heat pump system, install new high pressure switch, reacharge system with new Putin R410a.

Wally W.

Wally W. Job Checkin

TDH replace heat exchanger for Trane furnace.

TDH replace heat exchanger for Trane furnace.

Ken H.

Ken H. Job Checkin

Repair Navien hot water heater


Wally W.

Wally W. Job Checkin

TDH install new hot water combo boiler Navien NCB-240/110H-NG.

TDH install new hot water combo boiler Navien NCB-240/110H-NG.

Wally W.

Wally W. Job Checkin

Tdh install new Carrier furnace, coil and ac unit with new support box, safety switch and Honeywell T4 thermostat.

Tdh install new Carrier furnace, coil and ac unit with new support box, safety switch and Honeywell T4 thermostat.

Wally W.

Wally W. Job Checkin

Tdh install new Carrier furnace two stage with new ac unit 14 seer and coil. Install new drain pan with safety switch and return box with filter.

Tdh install new Carrier furnace two stage with new ac unit 14 seer and coil. Install new drain pan with safety switch and return box with filter.

Wally W.

Wally W. Job Checkin

Tdh install new outdoor suction thermistor for Carrier heat pump.

Tdh install new outdoor suction thermistor for Carrier heat pump.

Wally W.

Wally W. Job Checkin

Tdh provide and install new carrier equipment, two ac units, two coils and variable speed infinity furnace.

Tdh provide and install new carrier equipment, two ac units, two coils and variable speed infinity furnace.

Mark K.

Mark K. Job Checkin

New Navien tankless water heater/boiler estimate


Mark K.

Mark K. Job Checkin

Honeywell thermostat service


Wally W.

Wally W. Job Checkin

TDH diagnostic no heat on furnace. Found dirty flame sensor.

TDH diagnostic no heat on furnace. Found dirty flame sensor.

Wally W.

Wally W. Job Checkin

TDH maintenance two Navien for water boilers NHB-110, install new auto air vent and autofill and backflow preventer.

TDH maintenance two Navien for water boilers NHB-110, install new auto air vent and autofill and backflow preventer.