Boiler Installs, Welding and Pipe Repairs
Light commercial and residential steam and hydronic systems, backed by over a century of family heritage in Chicago boiler work.
Learn moreChicago · Over a century of service
Dependable HVAC
for Chicago.
Commercial and residential boilers, furnaces, air conditioning, hot water, and more — backed by one of the city's most experienced and caring teams.
What We Do
Our Primary Services
From boiler installs to variable frequency drives, we handle the full scope of commercial and residential mechanical work across the Chicago area.
Hot Water
Hot water system installation, repair, and capacity upgrades. If your boiler is down or you need more output, we have you covered.
Learn moreAir Conditioning and Cooling
AC breakdowns, seasonal switchovers, and new installations handled promptly — keeping your space comfortable all summer.
Learn moreFurnaces and Heating
Installation and repair across nearly all styles of heating equipment. Chicago winters demand reliable heat — we deliver it.
Learn morePumps
Condensate pump failures, slow hot water delivery — our qualified technicians diagnose and resolve pump issues fast.
Learn moreVariable Frequency Drives
Hit your energy efficiency targets with variable speed pumps and VFDs. Dial in your system and reduce operating costs.
Learn moreAbout Us
A century of
Chicago HVAC.
Lucas Mechanical brings generations of family-owned, hands-on knowledge to every job. Our family has been keeping Chicago buildings, and your family, warm, cool, and running for well over a century.
We serve most of Chicago and select adjacent suburbs. Reach out to confirm your area and get a fast, honest assessment of your needs.
130+
Years of heritage
3
Generations of technicians
1
Big Family
1
Office Dog