Excellent experience from start to finish. James was very informative during the quote process and provided multiple options. Cole and Jay showed up on time and got right to work. They were courteous and did excellent work. Everything was tested and cleaned up before they left. I highly recommend using McHenry Heating and Air.
village service page · McHenry County
Heating, Cooling & Plumbing in Johnsburg, IL
24/7 emergency HVAC, planned comfort work and residential plumbing from a family-owned company based in nearby McHenry.
Median structure year19822020–2024 ACS estimate
Local housing context
Service that accounts for the home’s history.
A mature housing base makes replacement planning, airflow balancing and evaluation of original ducts or piping especially useful.
The Census estimates roughly 2,642 housing units in Johnsburg, with 1970-1979 as the largest build-era cohort at about 20%. Those figures help frame useful questions; they never replace an on-site assessment.
A more specific Johnsburg detailJohnsburg says it has extensive frontage along the Chain O'Lakes and Fox River, including shores along Pistakee Lake. Waterfront-home and river-corridor maintenance themes are locally grounded, especially for humidity control, sump systems, and seasonal occupancy.
Popular ways we help
Complete home service in Johnsburg.
Start with the closest service. The office can route a symptom that crosses heating, cooling, plumbing or air quality.
01020304
24/7 HVAC Repair
No-cooling and no-heat diagnosis with direct phone access.
Heating Service
Furnace, boiler and heat-pump repair, maintenance and replacement.
Air Conditioning
AC repair, tune-ups and right-sized system installation.
Plumbing
Leaks, water heaters, fixtures, drains, sewer cameras and pumps.
A local planning lens
What the public data suggests—and what it cannot tell us.
- 01
Start with the 1982 medianCheck original ducts or piping alongside newer equipment so one generation of the system does not hide limits in another. The median is context for the first questions, never a shortcut around an on-site assessment.
- 02
Account for Johnsburg’s housing rangeAcross roughly 2,642 estimated housing units, multiple build periods can create very different repair and replacement priorities from one address to the next.
- 03
Use McHenry County data carefullyThe largest reported cohort is 1970-1979 at about 20%; that still leaves most homes outside a single construction wave.
Local service questions
Planning service in Johnsburg.
The team operates from McHenry and serves communities throughout both counties.
Does McHenry Heating & Air serve all of Johnsburg?
Johnsburg is included in the published McHenry County service-area build. Confirm the exact address and service type when scheduling, especially near municipal or county boundaries.
Is there a McHenry Heating & Air office in Johnsburg?
No additional office is claimed here. The verified business address is 1903 State Rte 31, McHenry, IL 60050, and the same local team serves the wider area.
What work can I request in Johnsburg?
Heating, cooling, indoor air quality, maintenance and verified residential plumbing services are available across the service area. Call to confirm a specialized project.
Verified Google reviews
Twenty local service experiences relevant to Johnsburg
4.9from 637 Google reviews
Real feedback from local homeowners who called McHenry Heating & Air.
My experience with the service tech and the installation team (needed to replace a 26 year old Trane) were top notch. This was my first time dealing with McHenry HVAC but they are my go to dealer now. Fair pricing and as it turned out next day installation.
Absolutely the best this is the second time we have used them and their price was fair and Chris did an excellent job getting our heat working on the coldest day of the year thanks McHenry Heating and cooling
01 / 20
Johnsburg service