Keith was and has always been a great service provider. J A Bertsch has been a company we can count on to "be there" for us at anytime of the year/day/time. We have had to call them in an emergency and they came right out and fixed our issue. Their semi-annual check up have given us the confidence either going into the Winter or Summer our heating/cooling needs are met and we are ready for whatever the seasons have in store for us. They are a great company. We love them.
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