Home Electrification
Wiring, panels, heat pumps, EV charging, batteries, weatherization and utility bills for a New York home moving from oil, propane or gas to electricity.
Spray Foam Roof Deck Risk: What an Unvented Roof Changes
Insulating at the roof deck brings the attic inside the envelope and seals an assembly that used to be flushed with outside air. Here is what…
Home Electrification8 min read
Water Pipe Bonding Jumper: What It Does and Why It Is There
A short conductor clamped across a water meter is easy to overlook and easy to lose during a renovation. Here is what bonding actually accomplishes, how…
Home Electrification8 min read
Oil Boiler to Hybrid Tank: Taking Hot Water Off the Burner
In many New York houses the oil boiler fires all summer to make hot water, running a large combustion appliance at a fraction of its capacity.…
Home Electrification8 min read
Reading an ESCO Contract: The Clauses That Decide the Price
Retail energy agreements are short, mostly boilerplate, and turn on a handful of clauses people skim. Here is what an ESCO can and cannot change on…
Home Electrification8 min read
Are All Water Heaters Heat Pumps? How the Types Differ
Heat pump has become shorthand for efficient electric, which leaves people buying resistance tanks they think are efficient and ruling out units they have misunderstood. Here…
Home Electrification7 min read
Sizing for a Soaking Tub: The Hot Water It Actually Needs
Tub size charts answer the dimension question and leave out the one that catches people: how much hot water a fill actually draws, why that share…
Home Electrification9 min read
New Circuit Bill Impact: What Adding a Circuit Really Costs
Homeowners adding a circuit for a car charger, a heat pump or an induction range usually expect a charge for the wiring and are surprised by…
Home Electrification8 min read
Cost per Mile to Charge an EV: How the Number Is Built
The arithmetic behind electric running costs is one multiplication, and both of its inputs are commonly taken from the wrong place. Here is where the energy…
Home Electrification9 min read
GFCI vs AFCI Difference: What Each Device Trips On
Ground-fault and arc-fault devices sit in the same panel and are constantly confused. One compares the current leaving with the current returning; the other listens to…
Home Electrification10 min read
NEMA 4 Rated EV Charger: What the Enclosure Rating Covers
A NEMA 4 charger and a NEMA 14-50 charger are answering different questions: one is an enclosure rating, the other a plug configuration. Mounting position decides…
Home Electrification8 min read
Heating Oil Gallon BTU: What a Gallon Is Worth in Heat
A gallon of number 2 oil is a container of chemical energy and the BTU figure measures it. Turning that into a fair comparison with a…
Home Electrification8 min read
Who Benefits From TOU Rates, and Who Pays More
A time-of-use rate is not a discount you sign up for. It pays for flexibility, so the same rate is a good deal for one house…
Home Electrification8 min read
Adding a Zone Later: Designing a Heat Pump for Rooms You Skip
Few New York houses electrify all at once. Whether the second phase is a head on a spare port or a new outdoor unit and a…
Home Electrification9 min read
Grounding Electrode Conductor Size: What Actually Sets It
This conductor is not the fault-clearing path, so it is not sized from a breaker. It is derived from the service entrance conductors, and which electrode…
Home Electrification9 min read
Dedicated Circuit for EV Charger: What New York Work Involves
Charging draws near its maximum for hours rather than minutes, which is why the circuit is sized with headroom and shared with nothing. The circuit is…
Home Electrification9 min read
Inverter Driven Compressor: Why a Heat Pump Modulates
A single-stage compressor is on or off. An inverter driven one has a dial, so it can match what the building is losing right now —…
Home Electrification9 min read
Open Cell vs Closed Cell Spray Foam in a New York House
Open cell foam has ruptured, interconnected cells that air and vapour move through; closed cell keeps each bubble sealed. Every argument about R-value, water and price…
Home Electrification10 min read
Peak and Off Peak Hours: When New York Electricity Costs More
A flat rate hides something real: the system does not cost the same to run at four in the morning as at six in the evening.…
Home Electrification10 min read
How Many kWh Per Month Your Home Uses, and How to Find Out
Square footage barely predicts household electricity use; whether heating and hot water are electric predicts almost all of it. The useful exercise is reading your own…
Home Electrification10 min read
Ice Storm Power Outage: Why Rooftop Solar Shuts Down Too
Freezing rain damages transmission, feeders and service drops at the same time, which is why the outages it causes are long. A grid-tied array disconnects the…
Home Electrification11 min read
Nitrogen Pressure Test: Proving a Heat Pump Line Set Holds
The equipment arrives from the factory sealed and tested; the copper between the outdoor unit and the indoor coil does not. It is cut, bent, brazed…
Home Electrification10 min read
Blower Wheel Cleaning: Where Lost Heat Pump Airflow Goes
The filter gets the credit for problems it cannot fix. When the registers have faded over several winters and a fresh filter changes nothing, the restriction…
Home Electrification11 min read
Transfer Grille Between Rooms: Sizing a Path for Return Air
Close a bedroom door and its supply register starts fighting the pressure it just created. A transfer grille gives that air a way back to the…
Home Electrification9 min read
Circuit Sharing Device Dryer Setups: How They Work in New York
A circuit sharing device lets a dryer and a second 240-volt appliance take turns on one branch circuit. Here is how the switching works, what the…
Home Electrification9 min read
Summer vs Winter Bill Shape: Why a Year of Bills Looks Like That
A year of electric bills has a shape, and the shape says more than the total does. Three separate things move it - the weather-sensitive load,…
Home Electrification9 min read
Smart Panel Backup Circuits: What a Panel Can and Cannot Shed
A smart panel moves the choice of backup circuits from installation day to runtime. That is genuinely useful, and it is also narrower than the sales…
Home Electrification9 min read
Refrigerant Charge Weigh In: The Scale, and the Line Set
Every split system leaves the factory holding a specific mass of refrigerant, stated as a weight and not a pressure. Weighing that mass in is the…
Home Electrification10 min read
Heat Pump Settings in Extreme Cold: What to Change, What Not To
A heat pump does not stop working when the weather turns severe - it gets weaker along a curve the manufacturer publishes in advance. What usually…
Home Electrification9 min read
Energy Disclosure at Sale: What It Covers, and Who Fills It In
A house has a running cost no walkthrough reveals. Here is what an energy disclosure records, what it cannot promise, and the one detail that delays…
Home Electrification7 min read
The ESCO Complaint Process NY Uses: Utility First, Then PSC
A retail supplier, your utility and the state regulator each own a different part of an energy dispute. Here is who can fix what, in the…
Home Electrification9 min read
Not sure which programmes apply to you?
Eligibility in New York depends on your utility, your roof and whether you buy, finance or subscribe. Put the system size and price an installer quotes you into the estimator and see the rebate and the state credit on one scale.