$49 / month O.A.C Including Install
$49 / month O.A.C Including Install

24 / 7 Emergency Service Available. Call Us Now: 1.844.894.6832

Durham Region Air Conditioning Repair, Service and Installation

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IF YOUR SYSTEM ISN'T RUNNING
Check to make sure your control or thermostat is set in cooling mode. Make sure the temperature is set cooler than the current indoor temperature. If it isn't, your system won't know to provide cooling. Make sure your outdoor condensing unit is running. If it is not running, make sure the breakers in your home's breaker box or electrical panel are in the ON position. Check the main power switch for your outdoor unit, usually found within a few feet of the unit in a box mounted to the exterior of the house. Make sure it's in the ON position. Ensure that the blower motor in your furnace or fan coil is running. If the system is set for cooling, the blower motor should be running. If not, check to make sure your indoor unit switch is in the ON position.


Indoor Error Codes

CODE: E0.
RESULT: Indoor unit EEPROM parameter error.

CODE: E1.
RESULT: Indoor / outdoor units communication error.

CODE: E3.
RESULT: Indoor fan speed has been out of control.

CODE: E4.
RESULT: Indoor room temperature sensor T1 open circuit or shortcircuit.

CODE: E5.
RESULT: Evaporator coil temperature sensor T2 open circuit or short circuit.

CODE: EC.
RESULT: Refrigerant Leakage Detection.

CODE: F1.
RESULT: Outdoor ambient temperature sensor T4 open circuit or short circuit.

CODE: F2.
RESULT: Condenser coil temperature sensor T3 open circuit or short circuit.

CODE: F3.
RESULT: Compressor discharge temperature sensor T5 open circuit or short circuit.

CODE: F4.
RESULT: Outdoor unit EEPROM parameter error.

CODE: F5.
RESULT: Outdoor fan speed has been out of control.

CODE: P0.
RESULT: IPM malfunction or IGBT over-strong current protection.

CODE: P1.
RESULT: Over voltage or over low voltage protection.

CODE: P2.
RESULT: High temperature protection of compressor top diagnosis and solution.

CODE: P4.
RESULT: Inverter compressor drive error.

CODE: P5.
RESULT: Mode conflict.

CODE: P6.
RESULT: Compressor voltage protection.

Outdoor Error Codes

CODE: E0.
RESULT: Outdoor EEPROM malfunction.

CODE: E2.
RESULT: Indoor/outdoor units communication error.

CODE: E3.
RESULT: Communication malfunction between IPM board and outdoor main board.

CODE: E4.
RESULT: Open or short circuit of outdoor unit temperature sensor.

CODE: E5.
RESULT: Voltage protection.

CODE: E8.
RESULT: Outdoor fan speed malfunction.

CODE: F1.
RESULT: No A Indoor unit coil outlet temperature sensor or connector of sensor is defective.

CODE: F2.
RESULT: No B Indoor unit coil outlet temperature sensor or connector of sensor is defective.

CODE: F3.
RESULT: No C Indoor unit coil outlet temperature sensor or connector of sensor is defective.

CODE: F4.
RESULT: No D Indoor unit coil outlet temperature sensor or connector of sensor is defective.

CODE: F5.
RESULT: No E Indoor unit coil outlet temperature sensor or connector of sensor is defective.

CODE: P1.
RESULT: High pressure protection.

CODE: P2.
RESULT: Low pressure protection.

CODE: P3.
RESULT: Current protection of compressor.

CODE: P4.
RESULT: Temperature protection of compressor.

CODE: P5.
RESULT: High temperature protection of condenser.

CODE: P6.
RESULT: IPM module protection.


See What Our Customers Are Saying:

by Peter, Pickering on Twintech Heating and Cooling

On coldest night of the year our furnace quit. At 8:40 in the morning Greg arrived and gave us a diagnosis and a recommendation. By 2:30 we had a new furnace and were warm again. Great company. Great customer service. Good reasonable price.

Peter, Pickering

by New Furnace Installed on Twintech Heating and Cooling

Twin tech team was very efficient and prompt. They provided a quote within hours of request and got the job done on time. No disruption to home function. We would highly recommend this team. Job well done.

by John from Toronto on Twintech Heating and Cooling

Our furnace bit the dust, and Twintech came out to troubleshoot and diagnose the problem within a couple of hours. Mitch was super helpful, patient, and answered all of our questions. When we decided to get the furnace replaced, the crew was over first thing the next morning and did a fantastic job. Not only did they complete the job in a few hours, but they cleaned up and respected our house as they went, and answered all of our follow-up questions. I've used Twintech for our HVAC needs in the past and will continue to do so. I'd recommend them to anyone, and it feels good to support a local, family-owned business.

by Ryan k on Twintech Heating and Cooling

Dave and the Twintech team were fabulous from day 1 and helped us through the process to identifying a new furnace and AC unit. This was our first time through this process and Dave did a thorough job explaining all the components and was very patience answering all our questions. Dave provided great insights and fair pricing.

The Twintech team did an awesome installation. Very clean and efficient. I would highly recommended their service.

by Louise in Scarborough on Twintech Heating and Cooling

We had a new Amana furnace installed by Twintech and we were very pleased with the installation. It is nice to have a warm house again.

by Private User on Twintech Heating and Cooling

Excellent job. Excellent service. Competitive price. Its rare to find a company with the knowledge and professional results we have experienced with Twintech. The clean and neat installation with attention to detail and drop sheers to respect our property is a clear indication of Twintechs high level of integrity. The 1-1/2 gas line upgrade they did for our pool 3 years ago was awesome. Can't say enough. Thank-you Twintech.

by Private User on Twintech Heating and Cooling

Twitch did a great job with the installation of our new furnace. I really appreciated their honesty and I could trust what they were telling me. Another company tried to suggest significantly more work at a greater cost claiming it was necessary to meet current building code. Twintech is very fair. All staff I meet were friendly, polite and trustworthy. I would recommend Twitch for a furnace.

by Private User on Twintech Heating and Cooling

This is a professional team that's easy to deal with. I would strongly recommend them

by hj.taggart in OSHAWA on Twintech Heating and Cooling

Very professional firm from start to finish!
They removed the old oil tank and furnace. They installed air conditioning and a new propane furnace.
Professional installation, on time and no mess.
Very pleased with their work and would highly recommend the company. Our house is three stories so they spent the time to do all the calculations to make sure we would have great performance on each floor.
Thank you again!

by susieschoeppler in Oshawa on Twintech Heating and Cooling

Upon a routine yearly maintenance, it was discovered there was a leak in the heat exchanger and a I needed a new furnace. I know nothing about these things and was completely stressed out. The company I had the maintenance plan with quoted me a huge number to rent a furnace, I just wanted to cry. Then I spoke to Dave at Twintech. He was so knowledgeable and calming, provided me a fair quote and within a few days I had an amazing crew show up to my house and install my new energy efficient furnace! I have already recommended these wonderful people at Twintech to a good friend of mine. Thank you Twintech!!

See What Our Customers Are Saying:

by Aaron on Twintech Heating and Cooling

We are very happy to recommend this company to everyone. Our furnace broke down on Sunday morning. We phoned them and before noon Grant the owner showed up. He worked on the furnace for about a hour not wanting to give up to fix the problem. The furnace was 17 years old. I was the one talking about replacing it. End result was the next day it was all done. On the Sunday Bob came over with heaters to warm up the house. We decided to replace the water heater at the same time. Thanks Grant for the excellent work. Thumbs up.

by Linda on Twintech Heating and Cooling

Right on time. Explained how to work the HRV in a different way so the house would not be so dry. Changed my whole house water filter for me as well. Friendly, helpful, caring service!

by Robert Rogers on Twintech Heating and Cooling

Very pleased with the professional service that TwinTech Heating and Cooling provided in replacing my furnace. I got several quotes from different service providers. Their price was excellent and they explained the features very well. We are very glad we went with TwinTech and highly recommend their services.

by Robert Mizuno on Twintech Heating and Cooling

We were new homeowners in need of a second opinion. TwinTech Heating & Cooling were Amazing and professional. Very knowledgeable and great service all around. Recommend to anyone looking for honest and reliable services. Treated with respect and care. Thank you Greg, Mitch and Bob!

by Ruth on Twintech Heating and Cooling

TwinTech is an excellent and honest company! I called them for a second opinion after being told by another company that I needed to replace my furnace. Turns out this was not the case at all! I did not need a new furnace. TwinTech did not push to make an unnecessary sale and saved me from a huge expense. Bob and Mitch were extremely professional and above all honest! I definitely recommend TwinTech!

Twintech - The Best Amana Heat Pump Installation in Oshawa

  • SUBMITTED BY:
  • TWINTECH HEATING & COOLING
  • - September 22, 2025

When it comes to heating and cooling your home, choosing the right system is only half the job. To get the most out of your investment, you need expert installation from trusted professionals. At Twintech Heating & Cooling, we’re prou

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Common Amana Furnace Error Codes

  • SUBMITTED BY:
  • TWINTECH HEATING & COOLING
  • - November 16, 2023

Amana furnaces, like many other heating systems, have error codes to help diagnose issues with the unit. It's important to note that specific error codes can vary depending on the model of the Amana furnace you have. Always refer to the user manu

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Is My Heat Pump Installed Correctly?

  • SUBMITTED BY:
  • TWINTECH HEATING & COOLING
  • - November 14, 2023

Keep in mind that a professional inspection by an HVAC technician is the most reliable way to assess the installation. Here are some things you can check: Outdoor Unit Placement: The outdoor unit should have enough space around it for proper ai

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Is My Furnace Heating Unevenly?

  • SUBMITTED BY:
  • TWINTECH HEATING & COOLING
  • - March 10, 2025

If you’ve noticed that some rooms in your home feel colder than others, your furnace may be struggling with uneven heating. This can lead to discomfort, higher energy bills, and potential system damage if left unchecked. Here are some common re

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