Company Overview
Company Name
Cornerstone Heating & Air
Website
cornerstone-hvac.comPhone
(240) 674-3100Approx. Annual Revenue
$2.4M
Employees
12
Established
2011
Google Reviews
4.6 (28 reviews)
Google Business Category
HVAC contractor
About Cornerstone Heating & Air
Cornerstone HVAC is a heating and cooling company located in Thurmont, Maryland, United States. They offer a range of services, including heat pump installation, air conditioner repair, and boiler maintenance. With over 30 years of experience, Cornerstone HVAC provides energy-efficient solutions and affordable rates to residential and light commercial customers in the central Maryland area.
Business Profile
Read from the Cornerstone Heating & Air website on Oct 13, 2026. Hover an item to see the exact wording it came from.
How Cornerstone Heating & Air works
Brands carried or installed
About the website
- Website quality (AI-assessed)
- 7/10 · Current copyright 2025; Clear service and contact info
- Footer copyright year
- 2025
HVAC Companies near MD
- Bob Jones Plumbing & Heatingbobjonesplumbingandheating.com
- Warner Servicewarnerservice.com
- Shifler Electricshiflerelectric.com
- Powell's Plumbingpowells-plumbing.com
- McIntire HVACmcintirehvac.com
- Hardell Serviceshardellservices.com
- WL Vorhies Plumbing and Heatingvorhiesplumbing.com
- Mike Yeakle's Heating & Air Conditioningyeaklehvac.com
- Larry & Sonslarryandsons.com
- Cumberland Valley Heating & Air Conditioningcvheating.com
Frequently Asked Questions about Cornerstone Heating & Air
Categories
Technologies Used
'%3e%3ccircle%20id='Ellipse_1'%20data-name='Ellipse%201'%20cx='434.5'%20cy='434.5'%20r='434.5'%20transform='translate(493%2061)'%20fill='%2307223d'/%3e%3cg%20id='Group_1'%20data-name='Group%201'%20transform='translate(617.184%20224.258)'%3e%3crect%20id='Rectangle_1'%20data-name='Rectangle%201'%20width='80.606'%20height='430.93'%20transform='translate(91.97%20109.538)'%20fill='%23fdc400'/%3e%3cpath%20id='Path_1'%20data-name='Path%201'%20d='M18.4,26.659l80.606,76.473V26.659Z'%20transform='translate(73.569%20106.573)'%20fill='%2392792d'/%3e%3cpath%20id='Path_2'%20data-name='Path%202'%20d='M132.276,0,0,138.472H264.9Z'%20transform='translate(0%200)'%20fill='%23fdc400'/%3e%3crect%20id='Rectangle_2'%20data-name='Rectangle%202'%20width='92.32'%20height='236.28'%20transform='translate(263.686%20304.188)'%20fill='%232896fb'/%3e%3cpath%20id='Path_3'%20data-name='Path%203'%20d='M51.936,65.609l96.453,83.334V65.609Z'%20transform='translate(207.619%20262.276)'%20fill='%231b6198'/%3e%3cpath%20id='Path_4'%20data-name='Path%204'%20d='M36.02,177.426,168.3,38.949l132.62,138.478Z'%20transform='translate(143.992%20155.702)'%20fill='%232896fb'/%3e%3crect%20id='Rectangle_3'%20data-name='Rectangle%203'%20width='80.606'%20height='430.925'%20transform='translate(447.656%20109.608)'%20fill='%234acf27'/%3e%3cpath%20id='Path_5'%20data-name='Path%205'%20d='M89.575,26.672l80.606,76.473V26.672Z'%20transform='translate(358.083%20106.625)'%20fill='%23327f3e'/%3e%3cpath%20id='Path_6'%20data-name='Path%206'%20d='M71.172,138.49h264.9L203.448.012Z'%20transform='translate(284.514%200.051)'%20fill='%234acf27'/%3e%3c/g%3e%3c/g%3e%3c/svg%3e)
Social Profiles
Key Decision Makers
Michael Grissom Owner