Casteel is Your Trusted HVAC, Plumbing and Electrical Company
24/7 Emergency Services
Financing Options Available
Always On-Time, Guaranteed
Same-Day Service and Next-Day Installation
Nearly 40 years, we've been trusted by Georgia's homeowners
We offer 24/7 expert services for every system in your home
Air Conditioning
If your AC is struggling, blowing warm air, or running unevenly, our technicians quickly find the problem and restore reliable, refreshing comfort to your home.
Heating
From strange furnace noises to rising energy bills, we repair, maintain, and install heating systems designed to keep your home safe, efficient, and dependable all winter long.
Plumbing
Whether it’s a dripping faucet, clogged drain, or lack of hot water, our licensed plumbers provide fast, professional service that protects your home.
Electrical
From flickering lights and tripping breakers to new outlets and panel upgrades, our electricians help keep your home’s power system running smoothly.
Indoor Air Quality
Dust, allergens, and poor airflow can make your home feel less comfortable. We help improve filtration, circulation, and overall air freshness.
Emergency Services
When your HVAC, plumbing, or electrical system fails unexpectedly, you need help fast. Call 24/7 for dependable emergency services.
Ready to schedule your service?
From urgent repairs to preventive maintenance, our technicians are ready 24/7 to keep your home comfortable and safe.
Find a Casteel pro in your area
Same-day service available in Georgia. Enter your ZIP code to find your nearest technicians.
Experience the Casteel difference
Fast, Reliable Service
Same-day service and next-day installation
24-hour availability
On-time arrival you can count on
Fast, Reliable Service
Expert Technicians
Highly trained, fully licensed and background-checked technicians
Industry-leading warranties
Nearly 40 years of experience
Expert Technicians
Honest, Upfront Pricing
No emergency fees
Free estimates
Satisfaction guaranteed
Honest, Upfront Pricing
Help is on the way with Casteel
Flexible scheduling with same-day service availability
Prompt arrivals and dependable service windows
Upfront pricing based on the job, not the clock
Background-checked, trained, and uniformed technicians
24/7 emergency services available
Experience full-service HVAC, plumbing, and electrical services, with same-day solutions and next-day installations
The team of expert technicians at Casteel is committed to providing exceptional plumbing, heating, air conditioning and electrical services to homes throughout the greater Atlanta area. With locations in Marietta and Lawrenceville, we proudly serve surrounding communities with dependable, professional home comfort solutions you can trust.
From routine maintenance and system tune-ups to emergency repairs and high-quality installations, our team works tirelessly to ensure your needs are met quickly and correctly, so you and your family can enjoy a comfortable, worry-free home all year long.