HVAC contractor in Indianapolis, IN
Your Comfort is Our Commitment in Indianapolis
How It Works
Simple, straightforward process from call to completion.
Schedule Service
Call or book online anytime
Professional Inspection
Thorough diagnosis of the issue
Expert Repair
Quality work by certified technicians
Final Walkthrough
Ensure complete satisfaction
Our Team in Action
Our Services
Professional solutions for every situation. Available 24/7 for emergencies.
Central Air System Installation
We expertly install central air systems designed to enhance your home’s comfort and energy efficiency. Our team ensures every unit is fitted seamlessly for optimal performance.
Learn More
Heating Repair
If your heating system is underperforming, our technicians swiftly diagnose issues, providing reliable repairs to restore your warmth in no time. Prompt service is our specialty.
Learn More
Duct Cleaning
Breathe easy with our comprehensive duct cleaning service that eliminates dust and allergens, promoting a healthier indoor environment for your family.
Learn More
Emergency HVAC Services
Facing an unexpected breakdown? Our emergency HVAC services are available 24/7, ensuring you’re never left in discomfort when you need us most.
Learn More
Furnace Maintenance
Regular furnace maintenance prolongs the life of your system. We perform thorough inspections and servicing to keep your heating efficient and safe throughout the season.
Learn More
Thermostat Installation
Upgrade to a smart thermostat with our installation service, giving you more control and energy savings. We ensure a seamless transition for smarter home climate management.
Learn More
Heat Pump Repair
Our team specializes in heat pump repairs, addressing issues quickly to keep your heating and cooling as efficient as possible. Experience prompt and efficient service from our experts.
Learn More
Commercial HVAC Services
We cater to businesses needing robust HVAC solutions, ensuring optimal comfort for clients and employees alike in your commercial space.
Learn More
Seasonal HVAC Inspection
Stay ahead of potential problems with our seasonal HVAC inspections, allowing for timely maintenance and peace of mind before extreme weather hits.
Learn More
Air Quality Solutions
Improve your indoor air quality with our air filtration and purifying systems, designed to reduce pollutants and enhance health for you and your loved ones.
Learn MoreOur Recent Projects
See the quality of our work through real project results
Central AC Installation
Complete 3-ton central air conditioning system installed for whole-home cooling
Furnace Replacement
High-efficiency gas furnace upgrade replacing a 20-year-old unit
Ductwork Repair & Sealing
Full duct inspection, leak sealing, and insulation improving efficiency by 30%
The Proof
Performance and customer satisfaction in real numbers.
Industry Experience
Team Members
Client Satisfaction
Projects Delivered
What Our Customers Say
Hundreds of satisfied customers across Indianapolis.
"I called CoolMark when my AC decided to take a dive during a heatwave. They had someone out the same day and fixed it quickly. Super grateful for their fast service!"
— Tina C. · 5 months ago
"After comparing various HVAC companies, I chose CoolMark and I'm glad I did. The service was timely and their follow-up after the installation was appreciated."
— Clara M. · 5 months ago
"CoolMark did a great job on my heating system. The technician, Tom, was solid, but I had to wait 30 minutes past my appointment time. Still, I’d use their services again!"
— Sam P. · 2 months ago
Trusted by Our Community
Hundreds of satisfied customers across Indianapolis
"Had a bit of a hiccup with my investment property’s heating. The first tech didn’t diagnose it right, but CoolMark sent someone else out the next day who nailed it. Really appreciated that."
Mark M.
Verified Customer
"So pleased with the duct cleaning service from CoolMark! My allergies have improved so much and they left my home spotless after. Big thumbs up!"
Lila P.
Verified Customer
"I manage a small cafe downtown and the AC broke right before a busy lunch shift. I called CoolMark, and they arrived within an hour! Their service definitely kept my customers cool!"
Nigel W.
Verified Customer
"CoolMark definitely knows their stuff! They fixed our mini-split in no time, and their pricing was transparent with no nasty surprises. I will call them for regular maintenance."
Kevin E.
Verified Customer
"I’m always nervous about home repairs but CoolMark made everything so easy. The technician was clear about costs and didn’t pressure me into unnecessary services."
Brett K.
Verified Customer
"Big shoutout to the folks at CoolMark! They fixed the air leak in my attic that was making my summer unbearable. Now my home is both cooler and more energy-efficient!"
Leon W.
Verified Customer
Transparent Pricing
No hidden fees. No surprises. Get a free estimate before any work begins.
Assessment
No-obligation evaluation
- ✓ On-site inspection
- ✓ Written estimate
- ✓ Expert recommendations
- ✓ Insurance guidance
Standard Service
Customized to your needs
- ✓ Everything in Assessment
- ✓ Professional HVAC contractor
- ✓ Certified technicians
- ✓ Satisfaction guarantee
- ✓ Insurance coordination
Emergency 24/7
Immediate response
- ✓ Everything in Standard
- ✓ Priority dispatch
- ✓ 30-minute response
- ✓ After-hours service
- ✓ Weekend/holiday service
⏰ 24/7 Emergency Service
We're available day and night. Don't wait—call now for immediate help!
Why Choose CoolMark Heating and Air Conditioning
See how we compare to the average competitor
| Feature | CoolMark | Others |
|---|---|---|
| 24/7 Emergency Response | ✓ | Limited Hours |
| Free Estimates | ✓ | Often Charges |
| Insured | ✓ | Varies |
| 4.9-Star Google Rating | ✓ | Unknown |
| Same-Day Service | ✓ | 2-3 Day Wait |
| Insurance Claims Help | ✓ | Not Offered |
| Satisfaction Guarantee | ✓ | No Guarantee |
| Transparent Pricing | ✓ | Hidden Fees |
Why Trust Us
CoolMark Heating and Air Conditioning is your trusted partner for professional service.
Fully Insured
Full insurance coverage
Highest Rated
4.9-star customer satisfaction
Certified Professional
Industry certifications and training
Satisfaction Guarantee
We stand behind our work
Our Commitment
Your trust is everything to us. We commit to delivering exceptional quality on every single project, backed by our satisfaction guarantee.
Contact Us
Professional Service You Can Trust
Insured and equipped with commercial-grade tools. We handle every job with the care and expertise it deserves.
📞 Call Now — Free EstimateOur Service Area
Proudly serving Indianapolis and surrounding communities with fast, reliable service.
Areas We Serve
Don't see your area? We may still serve your location. Call us at (463) 275-4142 to check availability.
Frequently Asked Questions
Get answers to common questions about our HVAC contractor in Indianapolis.
-
If your air conditioning system fails, contact us immediately at CoolMark Heating and Air Conditioning. Our emergency services are available to diagnose and repair issues swiftly, ensuring your home stays comfortable.
-
Signs of an aging system include frequent breakdowns, rising energy bills, and uneven temperatures. Our team can guide you through an assessment to determine the best options for replacement.
-
Yes, CoolMark Heating and Air Conditioning offers flexible financing options to accommodate your budget for HVAC installations. We want to make your investment in comfort accessible.
-
Absolutely, we are fully licensed and insured in Indianapolis. This ensures that your home is in safe hands while we maintain or repair your HVAC systems.
-
We recommend servicing your HVAC systems at least once a year — ideally before the heating and cooling seasons. This helps prevent major repairs and maintains efficiency.
Free Resources & Guides
Helpful guides and checklists from our team of experts.
Home Maintenance Calendar
Monthly and seasonal maintenance tasks to protect your home.
Hiring a Contractor Checklist
Questions to ask before hiring any home service professional.
Energy Savings Guide
How to reduce your utility bills by up to 30% with simple upgrades.
Emergency Service Available 24/7
Need HVAC contractor Now?
Call CoolMark Heating and Air Conditioning for immediate assistance in Indianapolis.
📞 (463) 275-4142