What is the most common rule used for HVAC load calculation?

• <div><p>A common HVAC rule is that for every 500 to 600 square feet of living space, you need 1 ton of heating or cooling capacity. Now that you know this common rule, you also need to know that it isn’t very accurate, and a dedicated pro wouldn’t use it for your home. If you talk to a pro who won’t or can’t perform a proper Manual J calculation, consider hiring someone more thorough.</p></div>

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TRUSTED BY PRAGUE, OK HOMEOWNERS

4.4
Average homeowner rating
30
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Verified Reviews for Boiler Installation pros in Prague, OK

*The Angi rating for Boiler Installation companies in Prague, OK is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Boiler Installation needs.

*The HomeAdvisor rating for Boiler Installation companies in Prague, OK is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Boiler Installation needs.

Last update on October 07, 2025

Reviewed in August 2025
Platinum Plus Roofing did an outstanding job replacing our old roof. From the first consultation to the final installation, they were professional, timely, and thorough. The team took the time to explain the materials and process, and the finished product looks great! Highly recommend them for...
Platinum Plus Roofing and Restoration, LLC.
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Reviewed in May 2023
This was the absolute worst company to deal with. A week without hot water, close to $600 lighter and 2 trips from 2 different plumbers from this same company, we are no better off. Neither plumber that came out spent longer than 5 min with the tank and the office got rude, defensive, and...
Whitehead Plumbing LLC
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Reviewed in January 2018
Our 20+ year old heater quit working on a Sunday. Country Comfort arrived promptly on Monday morning. After they inspected the unit we discussed repair vs. new unit. They answered all our questions and left us with a quote with several options for a new HVAC. No pressure to decide on the spot;...
Country Comfort Heating & Air
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Reviewed in June 2014
Did not show up on the dates he said he would. Over charged for items he installed. Installed some items wrong. Did not install thankless water heater in accordance with code, as per state plumbing inspector. Has never been back out to correct mistakes.
C & S REMODELING LLC
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Reviewed in January 2014
I arrived at my appointed time and they were ready for me. The tires are of excellent quality and the installation went smoothly.
Fred's Tire & Battery
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Reviewed in November 2013
The Comanche Home Center did an excellent job installing my hardwood flooring. Jamie was extremely efficient and helpful with all aspects of the process. He wasted no time coming out to see the job and give me the estimate. We quickly booked the installation date then they promptly delivered the...
COMANCHE HOME CTR
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Reviewed in October 2013
We had worked with him several times in the past and had mixed results, but wanted to give another chance to put in some faucets in our home (three different bathrooms). Previously he had successful hung a few big screen TV for me, but messed up hanging a large mirror that fell and ripped a...
Coppell Handyman
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Reviewed in September 2011
Mark was very friendly and helpful throughout the entire process. We had many questions before we settled on slate, and he was very patient to answer all our questions. We decided to do the demo portion ourselves to save money and Mark actually lent us his own tools to do the job. This saved us...
Swank Floors
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Find Boiler installation pros in Prague

DOC'S SEPTIC TANK CLEANING

8508 North Bryan Avenue

4.94(

)

•Approved Pro

DOC'S SEPTIC TANK CLEANING

8508 North Bryan Avenue

4.94(

)

•Approved Pro

Customers say: Quick response

Recommended by 100% of Angi customers

37 local quotes requested

Doc’s Septic Tank Cleaning, LLC, is a licensed and insured family owned and operated business serving Oklahoma since 1993. Doc’s Septic Tank Cleaning services both septic tanks and aerobic septic systems. Call (405) 275-7878 for a quote.

"Great Job. Would use again."

Vern N on November 2023

"Great Job. Would use again."

Vern N on November 2023

West Shore Home Oklahoma City

West Shore Home Oklahoma City

Customers say: True professional

Recommended by 98% of Angi customers

254 local quotes requested

To accomplish our mission, we have implemented a simple approach that will restore the beauty of your home while significantly reducing your energy bills - and we get it done in just one day! From start to finish, the West Shore Window & Door, Inc., experience is engineered to bring happiness to every home. The health and safety of our customers and employees is a top priority. Our team is following all CDC guidelines so we can provide you with the fast and convenient home improvements. We are also offering free virtual design consultations! Schedule your free consultation today.

"Installers were excellent. Salesman was knowledgeable. Problem was they did not communicate. The first day the installers tore out my vanity as well saying they had instructions to replace it. On the second day, the salesman called me and said whoops, you can either fix that yourself or we can install a new one for 7,000 more than we agreed I was at work so said I could not make a decision then. The installers told my wife that day that they were told I said I would fix it myself. I never said that. The company called to check if I was satisfied afterwards and I told them this. They said they would open a ticket but no one ever followed up with me."

Christopher M on April 2025

"Installers were excellent. Salesman was knowledgeable. Problem was they did not communicate. The first day the installers tore out my vanity as well saying they had instructions to replace it. On the second day, the salesman called me and said whoops, you can either fix that yourself or we can install a new one for 7,000 more than we agreed I was at work so said I could not make a decision then. The installers told my wife that day that they were told I said I would fix it myself. I never said that. The company called to check if I was satisfied afterwards and I told them this. They said they would open a ticket but no one ever followed up with me."

Christopher M on April 2025

Happy at Home Plumbing LLC.

421 East Logan Avenue

No reviews yet

Happy at Home Plumbing LLC.

421 East Logan Avenue

No reviews yet

Free onsite estimate

Engages in the provision of plumbing services, including installation, repair, and maintenance of plumbing systems for residential and commercial clients. Specializations include pipe repairs, fixture installations, and water heater services.

A-Better Plumber

Down An Old Dirt Road

5.00(

)

A-Better Plumber

Down An Old Dirt Road

5.00(

)

Customers say: Quick response

Recommended by 100% of Angi customers

A family owned and operated Plumbing company specializing in new construction with some remodeling work. Dedicated to providing A Better plumbing experience than some Builders provide...

"Josh was a fantastic choice that did not disappoint! In this day and age you never know if your gonna get someone honest, respectful and more or the bottom of the barrel that will have you wishing you never used them. I made a great choice. The work was great and always on Time! Would 10/10 use again"

AUSTIN G on September 2024

A family owned and operated Plumbing company specializing in new construction with some remodeling work. Dedicated to providing A Better plumbing experience than some Builders provide...

"Josh was a fantastic choice that did not disappoint! In this day and age you never know if your gonna get someone honest, respectful and more or the bottom of the barrel that will have you wishing you never used them. I made a great choice. The work was great and always on Time! Would 10/10 use again"

AUSTIN G on September 2024

We are an up-and-coming handyman business that can take care of any project that you have large or small. With an extensive amount of experience in every field that you would need to repair your home from top to bottom.

Dave & bros

No reviews yet

Dave & bros

No reviews yet

I am a contractor plumber who can provide you with great quality and affordable prices! Give me a call for free estimates!

Property Maintenance & Home Solutions, Llc.

No reviews yet

Property Maintenance & Home Solutions, Llc.

No reviews yet

We specialize in every aspect of property maintenance and repairs. From inspections to emergency repairs, rehabbing & remodels. Property preservation, reo foreclosure services, equipment, furniture assembly, handyman work, electrical, plumbing, hvac, insurance inspections and a whole lot more! please see our website at www.propertymaintenance&homesolutions.com

Booher General Contracting

25104 E 93rd Ct S

No reviews yet

Booher General Contracting

25104 E 93rd Ct S

No reviews yet

17 years of experience

Tile Flooring, wood flooring, Remodeling of all types , decks, and deck repair.

...

Showing 1-10 of 70

Install Boiler questions, answered by experts

Scale from hard water is hard to diagnose until it starts causing problems. If your area has particularly hard water, that’s most likely what your boiler is using. If scale build-up becomes a problem, it starts to cause decreased flow and heating, and eventually, valve failures as valves become blocked. Let boiler professionals know if you’re worried about scale and they can offer advice or implement a solution.

In some cases, conversion kits are available, but not all boilers are compatible. Conversion may require significant modifications and should only be performed by a qualified professional. Before making a decision, compare conversion costs to the cost of a complete replacement to determine the most cost-effective and reliable option for your home.

You can use a boiler and a furnace, although it’s not common to use both for whole-house heating. For example, your furnace may take care of HVAC heating through your vents, while a boiler powers your floor-based radiant heating in the bathrooms. Mixing and matching like this gives homeowners a variety of heating possibilities.

A common HVAC rule is that for every 500 to 600 square feet of living space, you need 1 ton of heating or cooling capacity. Now that you know this common rule, you also need to know that it isn’t very accurate, and a dedicated pro wouldn’t use it for your home. If you talk to a pro who won’t or can’t perform a proper Manual J calculation, consider hiring someone more thorough.

Common problems include leaks, low pressure, and inefficient heating. Regular maintenance prevents many issues.

By submitting this question, I acknowledge and agree that Angi may publicly display my name, city, state, and question on the website for professionals and others to see.

The Prague, OK homeowners’ guide to boiler installation services

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