🐜AssistAnt · Pro directory
There are 246 HVAC companies within 25 miles of New Castle, DE in the AssistAnt directory as of October 16, 2026, 12 of them based in New Castle itself. None are verified by AssistAnt yet, so check a business’s license and insurance before you hire it. Verified businesses are listed first, then by distance. No business can pay for a higher spot.
HVAC (heating & air conditioning) near New Castle
- ModernControls Inc
New Castle, DE · 1.1 mi
Not verified yet
(302) 325-6800
- Maichle's Heating and Air Conditioning
New Castle, DE · 1.2 mi
Not verified yet
(302) 328-4822
- Beacon Heating & Air
New Castle, DE · 1.2 mi
Not verified yet
(302) 323-1688
- Advanced Heating Technology
New Castle, DE · 1.8 mi
Not verified yet
(302) 328-1202
- Burns & McBride Home Comfort
New Castle, DE · 1.8 mi
Not verified yet
(302) 272-9349
- National HVAC Service
New Castle, DE · 1.9 mi
Not verified yet
(302) 323-1776
- Seiberlich Trane Energy Services
New Castle, DE · 2.0 mi
Not verified yet
(302) 395-0200
- Gold Star Services
New Castle, DE · 2.0 mi
Not verified yet
(302) 440-2940
- Family Heating & Cooling
New Castle, DE · 2.0 mi
Not verified yet
(302) 229-4716
- Harris Plumbing, Heating, Air & Electrical
New Castle, DE · 2.1 mi
Not verified yet
(302) 212-4533
- Affordable Heating & Air Conditioning
New Castle, DE · 2.5 mi
Not verified yet
(302) 328-9220
- Arctic Air Conditioning & Heating
Wilmington, DE · 3.2 mi
Not verified yet
(302) 545-6072
- George H. Burns Inc.
Wilmington, DE · 3.4 mi
Not verified yet
(302) 658-0752
- One Hour Heating and Air Conditioning of Wilmington
Wilmington, DE · 3.4 mi
Not verified yet
(302) 449-9268
- One Hour Heating & Cooling
Wilmington, DE · 3.4 mi
Not verified yet
(302) 324-5998
- Calvert Commercial Services
Wilmington, DE · 3.4 mi
Not verified yet
(302) 777-0140
- Hentkowski
Wilmington, DE · 3.8 mi
Not verified yet
(302) 998-2257
- Horizon Services - Air Conditioning, Heating, Plumbing, & Electrical
Wilmington, DE · 3.8 mi
Not verified yet
(302) 208-6255
- Horizon Services of New Castle County, De
Wilmington, DE · 3.8 mi
Not verified yet
(302) 440-3238
- Woodrow Services
Wilmington, DE · 3.8 mi
Not verified yet
(302) 384-8639
- Preferred Mechanical
Wilmington, DE · 3.9 mi
Not verified yet
(302) 668-1151
- Tri Elite Advisors Hvac
Wilmington, DE · 4.2 mi
Not verified yet
(484) 347-5220
- Sobieski Services Inc
Wilmington, DE · 4.2 mi
Not verified yet
(302) 993-0212
- Sobieski Services - Wilmington, DE
Wilmington, DE · 4.2 mi
Not verified yet
(800) 665-0002
- Brandywine Heating And Air
Wilmington, DE · 4.4 mi
Not verified yet
(302) 261-3596
- Shellhorn & Hill
Wilmington, DE · 4.5 mi
Not verified yet
(302) 658-5293
- Pullella Heating And Cooling, LLC
Wilmington, DE · 4.7 mi
Not verified yet
(302) 633-4328
- William G. Day Company
Wilmington, DE · 4.8 mi
Not verified yet
(302) 427-3700
- Brandywine Heating And Air
Wilmington, DE · 4.9 mi
Not verified yet
(302) 750-3123
- Full Service Heating And Air Llc.
Pennsville, NJ · 5.0 mi
Not verified yet
(856) 628-1155
Showing the 30 listed first. Search by ZIP code to see more.
Questions
- How many HVAC companies are near New Castle, DE?
- 246 within 25 miles, 12 in New Castle, as of October 16, 2026.
- Which HVAC companies near New Castle, DE are verified?
- None yet. Verified means AssistAnt checked the business registration and insurance; unverified listings come from public business records.
- Can a business pay to rank higher on AssistAnt?
- No. Verified businesses are listed first, then everyone else by distance. Placement cannot be bought, and AssistAnt never sells your contact information.
More in New Castle
- Appliance repair in New Castle, DE35 businesses
- Dryer vent cleaning in New Castle, DE12 businesses
- Plumbers in New Castle, DE157 businesses
- Electricians in New Castle, DE192 businesses
- Roofers in New Castle, DE181 businesses
- Landscaping & lawn care in New Castle, DE385 businesses
- Cleaning services in New Castle, DE252 businesses
- Pest control in New Castle, DE95 businesses
- Locksmiths in New Castle, DE58 businesses
- Painters in New Castle, DE99 businesses
- Garage door repair in New Castle, DE60 businesses
- Handyman services in New Castle, DE64 businesses
- Pool & spa service in New Castle, DE24 businesses
- Water, fire & mold restoration in New Castle, DE57 businesses
- Concrete, masonry & paving in New Castle, DE133 businesses
- Fence contractors in New Castle, DE37 businesses
- Chimney sweep & repair in New Castle, DE40 businesses
- Flooring in New Castle, DE37 businesses
- Home security systems in New Castle, DE32 businesses
- Remodeling contractors in New Castle, DE111 businesses
- Insulation contractors in New Castle, DE7 businesses
- Towing in New Castle, DE72 businesses
- Auto repair in New Castle, DE836 businesses
- Collision repair & auto glass in New Castle, DE170 businesses
- Diesel & truck repair in New Castle, DE47 businesses
- Motorcycle, marine & small engine repair in New Castle, DE34 businesses
- Welding & fabrication in New Castle, DE85 businesses
- Machine shops & CNC in New Castle, DE42 businesses
- Computer & phone repair / IT in New Castle, DE152 businesses
- Excavation & heavy equipment in New Castle, DE25 businesses
- Trucking in New Castle, DE51 businesses
Nearby towns
- Newark, DE 6 mi
- Pennsville, NJ 6 mi
- Wilmington, DE 7 mi
- Bear, DE 7 mi
- Delaware City, DE 7 mi
- Hockessin, DE 7 mi
- Penns Grove, NJ 8 mi
- Landenberg, PA 10 mi
- Salem, NJ 10 mi
- Pedricktown, NJ 11 mi