There are a few things you can do to ensure that you are getting an affordable and reliable HVAC company. 

1. Do your research. Make sure to ask around for suggestions and look for reviews of companies in your area. Check online List to compare prices and services offered by different companies. If you're  looking professional for HVAC Service you can visit https://www.carltonheatingandair.com/.

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2. Be prepared to negotiate. Don’t be afraid to haggle with the HVAC company over prices or service quality. It may take some effort, but it is worth it to get a good deal on your HVAC system.

3. Expect some installation delays. Unfortunately, there are times when the HVAC system will have to be installed later than expected due to weather conditions or other unforeseen circumstances. Plan for these delays in your budget and make sure you have enough money set aside in case they occur.

4. Ask questions during the inspection process. During the inspection, ask the contractor questions about the equipment they are using, how it works, and any maintenance issues that need to be addressed in the near future. This will help ensure that you are getting a quality product at a fair price and that there are no hidden costs down the road.

5. Ask for a warranty. Many HVAC companies offer warranties on their products. This means that you can always have peace of mind if something goes wrong with your system in the future.