R290 vs. R32 Twj Tshav Kub Kub: Qhov txawv ntawm qhov tseem ceeb thiab yuav ua li cas xaiv cov tub yees kom sov lub twj tso kua mis ua lub luag haujlwm tseem ceeb hauv HVAC cov tshuab niaj hnub no, muab cov cua sov thiab cua txias rau cov tsev thiab cov lag luam. Ib qho tseem ceeb tshaj plaws nyob rau hauv lub twj tso kua mis qhov kev ua tau zoo yog cov tub yees nws siv. Ntawm ntau cov kev xaiv muaj, R290 (propane) thiab R32 sawv tawm raws li nrov ch ...
