on 14 Mar 2023
RECONOMIZER
MAS HVAC Inc.
90282385 · 27 Oct 2020
14 Mar 2029
011
Energy recovery systems within air handling units
on 22 Mar 2022
CRACKER PRODUCTS
CRESCENT SERVICES, INC.
88265815 · 17 Jan 2019
22 Mar 2028
011
Barbeque grills, wood burning stoves, portable fire pits, portable fir...
on 13 Nov 2018
Q-PAC
MAS HVAC, Inc.
87586477 · 28 Aug 2017
13 Nov 2024
011
Heating, cooling, refrigerating, ventilation and energy recovery equip...
on 07 Apr 2022
COUNTERFLOW
MAS HVAC Inc.
90546673 · 25 Feb 2021
011
COUNTER FLOW,Energy recovery devices; heat exchangers
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