Get 30% Off Your First Estimate
4+ Years of Experience
10+ years of perfection in every project.
50+ Global Branches
With a presence in 150+ global locations.
HVAC systems affect the comfort, safety, and efficiency of a building long after construction wraps up, which makes accurate estimating critical from the very start. Whether it is a single-family home or a large commercial facility, even a small error in ductwork, equipment, or labor quantities can throw off your budget and delay your schedule.
At COMET Estimating, we specialize in delivering detailed and dependable HVAC estimating services across the USA. Our experienced estimators review drawings, equipment schedules, specifications, and system layouts to calculate material quantities, labor costs, equipment pricing, and installation requirements. This level of detail helps contractors and developers plan with confidence, avoid unexpected costs, and keep projects moving on schedule.
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Quotes
Delivered
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Completed
Projects
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Commercial
Clients
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Years of
Experience
Work with a team that delivers consistent, detailed, and on time estimates so you never face delays or guesswork.
4.9 Business Rating
Best Rating in your town in estimating business
We calculate costs for heating, cooling, and ventilation systems in single-family homes and residential developments. Our takeoffs give homeowners and builders a clear budget before installation begins.
Offices, retail spaces, and multi-story buildings each bring their own mechanical demands. We prepare detailed estimates that reflect system complexity, code requirements, and coordination with other trades.
Warehouses, plants, and processing facilities often require heavy-duty mechanical systems. Our estimates cover large-scale equipment, extensive ductwork, and specialized ventilation needs.
We measure supply, return, and exhaust ductwork along with air handling units, dampers, and diffusers needed for proper air distribution.
Our team estimates refrigerant lines, condensate piping, insulation, and mechanical connections required for a complete HVAC installation.
We price out equipment installation, testing, balancing, and commissioning work, so systems are fully ready for operation at project close.
Our Clients Include
We’ve streamlined our process to deliver fast, accurate, and dependable HVAC cost estimates so you can plan, bid, and move forward with confidence.
01
Send us your HVAC layouts, equipment lists, drawings, and specifications. Note any special requirements tied to system design, installation sequencing, or coordination with other trades.
02
Our estimators evaluate your project scope and put together an initial HVAC estimate that accounts for equipment, ductwork, labor, and installation costs.
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You review the estimate and let us know if anything needs adjusting. We refine the numbers until they fully match your project's exact HVAC requirements.
04
Once you approve the estimate, we deliver a detailed, line-by-line HVAC cost report ready for bidding, budgeting, and full project planning.
With COMET Estimating, you receive efficient, dependable, and accurate HVAC estimating services designed to support contractors and developers across the USA.
Our estimators have hands-on experience in HVAC and mechanical construction projects, ensuring realistic and reliable estimates.
We work closely with every client, providing guidance, revisions, and continuous support.
Our HVAC estimates are transparent, detailed, and free from hidden assumptions.
We deliver HVAC estimates within agreed timelines to keep projects moving forward.



01
Missed equipment costs, ductwork quantities, or labor hours can quietly push project expenses well past the original bid, eating directly into profit.
02
Incomplete takeoffs often lead to missing materials or equipment on delivery day, stalling installation and pushing back the entire project schedule.
03
Estimating errors that overlook load calculations can result in equipment that is poorly matched to the building, hurting comfort, efficiency, and system lifespan.
04
Inaccurate quantities lead to excess ductwork and fittings sitting unused, or shortages that halt work while crews wait on reorders.
05
Skipping code-related costs or inspection requirements in the estimate can result in failed inspections, costly rework, or permit delays.
06
Budget surprises and missed deadlines make clients hesitant to bring you back for future work, even after a technically sound installation.
+
Quotes
Delivered
+
Completed
Projects
+
Commercial
Clients
+
Years
of Experience
HVAC systems demand precise numbers, and even a small error can throw off your entire project budget. COMET Estimating LLC gives contractors and developers across the United States accurate, dependable HVAC estimates you can build on. Contact us today and get 30% off your first order.
Head Office Location
5900 Balconies Drive STE 100, 78731 Austin Texas United States
Office Hours
Monday - Friday
09:00 AM Until 05:00 PM