heatpump_research
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| heatpump_research [2022.08.19 11:38] – [Analysis & Comparison, heat pump vs oil boiler] Steve Isenberg | heatpump_research [2022.08.19 11:54] (current) – [Heatpump Model and Installer Research] Steve Isenberg | ||
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| Line 14: | Line 14: | ||
| |<fs x-small> | |<fs x-small> | ||
| |<fs x-small> | |<fs x-small> | ||
| - | | |Homeworks Energy| | + | | |Homeworks Energy| |met with Brian 8/18/2022, got quote| |
| + | | |Tetra| |met virtually with Parish 8/19/2022, got quote| | ||
| ===Heat pump devices=== | ===Heat pump devices=== | ||
| Line 21: | Line 22: | ||
| |Daikin| | |Daikin| | ||
| |LG|One Lex List member reported issues with non-LG thermostat; system would stay on, but this might be related to the usage learning curve; pressure relief valve issue; be sure to verify experience of installers and techs| | |LG|One Lex List member reported issues with non-LG thermostat; system would stay on, but this might be related to the usage learning curve; pressure relief valve issue; be sure to verify experience of installers and techs| | ||
| - | |Samsung| | + | |Samsung|Sold/ |
| + | |Gree|Sold/ | ||
| Note that whatever heat pump you choose, to get rebates, it has to be on the MassSave list, see: [[https:// | Note that whatever heat pump you choose, to get rebates, it has to be on the MassSave list, see: [[https:// | ||
| Line 46: | Line 48: | ||
| We have an oil-fueled boiler forced hot water heating system. We have a single window air conditioner that the heat pumps would replace. | We have an oil-fueled boiler forced hot water heating system. We have a single window air conditioner that the heat pumps would replace. | ||
| - | " | + | Assuming |
| - | | |Heatpump|Heatpump w/ | + | |
| - | |Equipment|23000|18000|0|cost of added equipment| | + | |
| - | |Maintenance/ | + | |
| - | |Electricity increment estimate/ | + | |
| - | |Est cost oil, 700gal/yr, $4/gal|100 gal@$4/ | + | |
| - | Also assuming | + | |
| * Energy costs stay the same over the analysis period (oil and electricity) | * Energy costs stay the same over the analysis period (oil and electricity) | ||
| * Maintenance costs stay the same over the analysis period | * Maintenance costs stay the same over the analysis period | ||
| Line 59: | Line 55: | ||
| ===Cost analysis=== | ===Cost analysis=== | ||
| <csv hdr_rows=1> | <csv hdr_rows=1> | ||
| + | |||
| + | |||
| ," | ," | ||
| Whole house"," | Whole house"," | ||
| Whole house"," | Whole house"," | ||
| Whole house" | Whole house" | ||
| + | Condensers, | ||
| + | Heads," | ||
| + | ,"7k, 7k, 9k"," | ||
| + | Manufacturer, | ||
| + | Works to temp,,-22F, | ||
| + | Manual J?,," | ||
| + | Wifi to heads?,,Yes , | ||
| + | Service?, | ||
| + | "FYI, Heat loan: 7 yrs no int, monthly:", | ||
| + | ' | ||
| Eqpt & installation, | Eqpt & installation, | ||
| whole house rebate, | whole house rebate, | ||
| EQUIPMENT & INSTALL cost, | EQUIPMENT & INSTALL cost, | ||
| - | heatpump MAINTENANCE/ | + | heatpump MAINTENANCE/ |
| oil boiler MAINTENANCE/ | oil boiler MAINTENANCE/ | ||
| electric svc incremement $/mo (est), | electric svc incremement $/mo (est), | ||
| Line 75: | Line 83: | ||
| TOTAL COST END OF YEAR,,, | TOTAL COST END OF YEAR,,, | ||
| 1, | 1, | ||
| - | 2,22235, | + | 2,22135, |
| - | 5,29540, | + | 5,29140, |
| - | 6,31975, | + | 6,31475, |
| - | 7,34410, | + | 7,33810, |
| - | 8,36845, | + | 8,36145, |
| - | 9,39280, | + | 9,38480, |
| - | 10,41715, | + | 10,40815, |
| - | 15,53890, | + | 15,52490, |
| - | 20,66065, | + | 20,64165, |
| - | 25,78240, | + | 25,75840, |
| - | ,,, | + | |
| - | When is heat pump overall cheaper?, | + | |
heatpump_research.1660934283.txt.gz · Last modified: 2022.08.19 11:38 by Steve Isenberg