Sep 8, 2026
How Much Does HVAC Replacement Cost? (2026 Cost Guide)
Reading Time About 16 Min
Open 24/7
HVAC Company
Sherman Corporation
VerifiedEstablished · 66 yrs
Residential•Serving Dover, DE
EPALicensed, Bonded, And InsuredNCI
Sherman Corporation is Delmarva's trusted supplier of HVAC, plumbing, propane services, and portable restroom rentals.
Sherman Corporation is an HVAC contractor based in Dover, DE. Services listed include HVAC installation, HVAC maintenance and repair and indoor air quality. 66 years in business and emergency service available.
66
Years in Business
Yes
Emergency Service
Available
Financing Available
Dover, DE
Service Area
Services Offered
HVAC Installation
HVAC Maintenance and Repair
Indoor Air QualityOil and Propane Deliveries
Portable Restrooms
Propane Tank Service
Refuse Containers
Customer Sentiment Summary
Strengths
- 66 years trading in the local HVAC market.
Areas to Watch
- No reviews collected yet — check back once customers have rated this company.
Reviews from Best HVAC visitors
No Best HVAC reviews yet
Been a customer of Sherman Corporation? Be the first to rate them.
Get Your HVAC Business Listed
Want to put your heating and cooling company in front of local homeowners and businesses actively searching for reliable HVAC services? Claim your spot and connect with high-intent customers in your area.
Get Featured
Blog / News
View all articles HVAC Tips, Guides & Industry News
Sep 7, 2026
Why Does My Thermostat Screen Go Blank?
Reading Time About 6 Min
Sep 6, 2026
How to Clean AC Condenser Coils Safely
Reading Time About 7 Min
Sep 3, 2026
AC Blowing Warm Air? Common Causes and Fixes
Reading Time About 6 Min
FAQ
Contact Our TeamFrequently Asked Questions
Have another question? Our team is here to help.
Sherman Corporation lists HVAC installation, HVAC maintenance and repair and indoor air quality. Contact them to confirm they handle your specific job.
Sherman Corporation is based in Dover, DE.
Yes, Sherman Corporation lists emergency service. Call them directly for urgent heating or cooling repairs.
Use the call button, website link or contact details on this page to reach the company directly.
Get in touch and we will keep your listing details accurate and add photos.