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Electricity Question For my Heat Pump
Posted On: September 29, 2023
I have an old electric central heater that's consuming a LOT of electricity.
Seems to be a D15 (60 amps).
I have a 100 amps board for the house.
I am looking for a central heat pump system with exterior and interior units and most installers are telling me that even tough it'll consume a lot less electricity, I would need to change my electric installation to 200A for this.
Why do I need more if the new system needs less electricity?
Question from user reivned at heatpumps at reddit.
Answer:
The recommendation to upgrade your electrical service from 100 amps to 200 amps when installing a central heat pump system is related to several factors, primarily the electrical load and compatibility of your home's electrical system with the new equipment. Here's why this upgrade is often recommended:
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Simultaneous Electrical Loads: While the new central heat pump system may indeed be more energy-efficient compared to your old electric heater, it can still require a substantial amount of electricity, especially when it operates in heating or cooling mode. The issue is that when your heat pump is running, it may coincide with other electrical appliances and systems in your home, such as lights, appliances, electronics, or even charging electric vehicles. These simultaneous electrical loads can strain a 100-amp electrical panel, potentially causing overloads or tripped circuit breakers.
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Code Requirements: Building codes and electrical regulations often require that new installations, especially those involving significant electrical loads, comply with the latest standards. In many cases, installing a central heat pump system will necessitate compliance with modern code requirements, which may include a 200-amp electrical service to ensure safety and adequate capacity for your home.
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Future-Proofing: Upgrading to a 200-amp electrical service provides you with additional electrical capacity for future needs. As technology advances and you potentially add more electrical devices or appliances to your home, having a 200-amp service panel can help prevent electrical overloads and the need for further upgrades down the road.
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System Efficiency: While the central heat pump system itself may be more efficient, it may have a higher initial electrical draw when starting up or during peak operation. A 200-amp service panel can handle these spikes in electricity demand more effectively, reducing the likelihood of electrical issues.
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Avoiding System Strain: Running a central heat pump system on a 100-amp service panel may cause the system to work less efficiently or result in frequent tripped circuit breakers due to overloading. This can lead to unnecessary wear and tear on the equipment and potentially affect its longevity.
Overall, the recommendation to upgrade to a 200-amp electrical service panel is intended to ensure that your electrical system can safely and effectively support your new central heat pump system and accommodate any future electrical demands. It's a measure taken to prevent electrical issues and ensure the reliable and efficient operation of your heating and cooling system. Consulting with a licensed electrician and adhering to local building codes and regulations is crucial when making such upgrades to your home's electrical system.
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See What Our Customers Are Saying:
Jul 2, 2017
Very impressed they arrive to quote even though I had forgotten to call them back to confirm date & time. They showed the day before installation to deliver the unit. Returned the next day as promised at 9am. Project was completed in a professional manner. They even fixed a few things that they noticed were not installed correctly, or to code by previous heating & air contractors we had at our residence before. Would recommend this company to everyone!
Jun 29, 2017
Greg removed old oil furnace and oil tank from basement relocated new Napoleon propane furnace to allow duct work to be rerouted to a much more suitable location. Moved air conditioner to the new furnace. Dave recommended two available grants to assist with cost. They kept to their original quoted price which was substantially lower than a competitors for the same furnace and work. They completed the work as stated when stated and left the area clean and tidy. We are very pleased with the outcome.
Jun 28, 2017
Twintech installed a Goodman furnace and ac init. Very professional install, both units are working well.
Jun 28, 2017
We had Grant and Greg Dainty quote to replace our 20 yr old furnace. I have known them for years and have had other jobs done by them ( AC and Pool Htr). The price was very reasonable and the job was completed in one day.
Jun 23, 2017
TwinTech was the right choice. Our consultation with Dave set the tone. Professional and knowledgeable, we even received a follow-up call within hours of our install completion, wow! TwinTech arrived as scheduled to install our A/C unit. Within minutes of arrival Greg noted and explained a few out of code faults on our furnace installed by another company, problems fixed, thanks TwinTech. Greg, Grant and "Subaru" Pete were meticulous start to finish. Highly recommended!
Jun 13, 2017
Twintech replaced our aging +20 yrs old Furnace & AC with the variable high efficiency Napoleon Furnace matched with the Goodman AC. Sales guy ,Dave was great, gave a no pressure estimate, explained about the Government Rebate program which they took care of completely including arranging the home energy audit. On the scheduled day Greg and his team arrived on time, did a great job and completed the same day , extremely professional and courteous, cleaned up everything , tested the system, Greg took his time to explain the setup. Very impressed with the Napoleon Furnace 9600 which did a great job in maintaining a comfortable temperature last winter and now with the hot weather the Goodman AC cooled the house in much less time than the old AC unit could ever. From start to finish Twintech were great and have no hesitation in recommending them 100%.
Jun 13, 2017
The Twintech team did an excellent job installing our new Goodman air conditioner. They were polite and professional. Greg was knowledgeable and clearly experienced. Thank you Twintech for bringing our cooling system up to current regulations. Job well done!
Jun 11, 2017
Dave from TwinTech was very knowledgeable, professional and thorough in the buying process. He helped us to identify the best furnace for our home and our budget. When we needed a new filter a year later and seemed to have a problem finding the right one, I called Dave up and he delivered a filter to me the next day! The cost was on par with other retailers, but it was this unexpected personal service that really was impressive. The furnace? Works like a charm.
May 27, 2017
Imagine, it's 5 minutes after the midnight countdown New Year's eve and the furnace quits. We called TwinTech fully expecting to leave a message and actually spoke with Greg, one of the owners! We had an immediate repair early the next morning & a new furnace within the week. We have entrusted TwinTech with all our home HVAC service needs for over 6 years. That's why this week with an opportunity to purchase a new BBQ, we called them 1st to see about a gas line install. It's chicken on the grill tonight! They are efficient, reliable, honest, hard working, and -- attentive is an understatement.
Jan 19, 2016
Wonderful customer service, starting from the job quote (Dave), to the clean install, to the follow-up. Twintech is a small company which installed my Napoleon furnace, A/C, John Wood tank, and ran the line for my gas dryer. The installation was completed as promised in one day. The work area was kept very clean, and they even took care of my old rental tank. The professionalism and wonderful customer service is second to none. They completed all of my rebate paperwork, and now I'm getting $2000 back! You will not be disappointed if you hire this company for your project.
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