I had lengthy suspected my partitions had no insulation — not a wisp of the pink fluffy stuff, nor a drop of spray-foam.Last summer time, I moved right into a 100-year-old dwelling in Boston, splitting the first-floor condominium with a roommate I met on Facebook. In January, we have been each shocked to obtain a $500 fuel invoice for one month of warmth — the best our unit had ever seen.Outraged, we referred to as up a house power contractor who was licensed to carry out free dwelling power audits on behalf of MassSave, the state’s power effectivity program. What is a house power audit?A house power audit is a method for professionals to examine your property and establish spots the place you might enhance power effectivity and, finally, decrease power prices. An audit like that is normally a primary step to getting monetary incentives from a state- or utility-run power effectivity program. Often, a house power audit is carried out by an HVAC contractor. They’ll come into your property, examine your partitions, home windows and heating programs, in addition to insulation within the partitions, basement or attic. Their objective is to establish locations the place your property is dropping warmth or power, and recommend enhancements corresponding to higher insulation or new home equipment. They may also suggest smaller fixes, like weather-stripping your doorways and putting in a low-flow showerhead.At the tip of an audit, the inspector will go away you with a report and let you know how one can transfer ahead with any of the enhancements you are keen on.What I discovered throughout my dwelling power auditThe power inspector confirmed as much as my condominium two weeks later and gamely began with an inspection of the basement — the place he discovered not a little bit of insulation — earlier than drilling a small gap within the exterior wall of our kitchen and inserting a digital camera.I watched with smug satisfaction because the video feed on his cellphone confirmed a cavern between the plaster lath and clapboard siding. I used to be proper: no insulation there, both! I noticed particles of mud velocity by on an airstream of suction, pulling scorching air from our historical steam radiators proper via the partitions and out of the condominium.The power skilled in my kitchen talked excitedly about how a lot of a distinction we may make by stuffing these empty partitions stuffed with cellulose insulation, a feat completed by drilling holes beneath the siding and blowing it in from exterior. But I used to be skeptical. That sounds costly, I assumed. There’s no method my landlord — who does not stay right here or pay the utility payments — would go for that. I humored the contractor and invited him to sit down at my kitchen desk whereas he hammered out a proposal on his laptop computer.When he was completed, he spun the display towards me and delivered the decision: We may have our partitions blasted full with insulation, and our basement airsealed in opposition to the weather, at no cost. As in, 100% lined by state incentives, without charge to us or our landlord.My jaw almost hit the ground.I write about state and federal power coverage for CNET fairly extensively, and I wish to suppose I’ve a very good sense of how this works: Usually, incentives can shave off a bit of the price, however not all of it — and also you in all probability have to have a decrease revenue to qualify. Right?Wrong. At least in Massachusetts. The state affords 75% to 100% off permitted insulation and air sealing tasks, and the contractor informed me that as a result of our family was completely occupied by renters, the state would cowl 100% of those enhancements.There was a small caveat: A 3rd mission he really useful — insulating the ceiling of the basement (beneath our condominium flooring) to maintain extra warmth in our unit — was not lined by this system and would value my landlord $4,000.But I may hardly be disillusioned. Even if our landlord solely licensed the opposite two tasks (which, once more, can be free!), we may see a dramatic discount in our heating invoice. Making your property effectively insulated is likely one of the simplest methods to cut back your power payments. Mike De Socio/CNETWhat occurred after my power auditMy contractor pal was not content material to depart me with a PDF that I may ahead to my landlord. He insisted on calling my landlord on the spot to pitch him on the tasks. I stood within the doorframe of my kitchen and watched in awe as he walked my landlord via the proposal, answering questions and doing his greatest to shut the deal.By the time the power audit was over, I used to be giddy. I by no means thought insulation would excite me so, but I used to be doing a cheerful dance (actually!) on the prospect of it. I felt like I used to be dwelling in a clean-energy utopia the place state insurance policies simply work the best way they’re presupposed to.When I used to be achieved dancing, I adopted up with my landlord by way of electronic mail. He appeared keen on shifting ahead however stated he needed to ask the contractor a number of extra questions and would look into scheduling the work.By early the subsequent week, extra excellent news arrived in my inbox. My landlord had signed the paperwork to proceed with the 2 free tasks: Insulating our partitions and air-sealing the perimeter of our basement. He handed on the $4,000 add-on to insulate beneath our floorboards, however I nonetheless felt prefer it was an enormous win. Only days later, the contractors pulled up with a field truck stuffed with toasty insulation they have been set to stuff into our dwelling. They began within the basement, first utilizing spray-foam to seal the cracks the place wooden flooring joists met the basement’s perimeter partitions. A second employee adopted, slicing puffy chunks of pink insulation that he stuffed into the house between the stone basis and the basement’s rim-joists.When they completed, our basement had been air-sealed, defending it from the weather. But they could not go upstairs and begin doing the identical factor for our condominium partitions as a result of, mockingly sufficient, it was too chilly to put in insulation. An ambient temperature of 15 levels Fahrenheit, plus a tough layer of ice round the home, made for unsafe working circumstances.But the delay is simply non permanent. As quickly because the ice melts and the mercury creeps again above freezing, the contractors will return to fill our partitions with a heat blanket of cellulose. How you will get a free dwelling power audit tooNot each state affords free dwelling power audits, however many do. Check along with your state’s power division to see what’s out there.Usually, in states that supply this, you will contact a certified dwelling power contractor, who will come to your property and carry out an inspection. The state reimburses them, so it will not value you a factor.Then, primarily based on what they discover, the contractor would possibly suggest extra insulation or a brand new heating system and might let you know what state incentives you qualify for. If you determine to proceed with a mission, you may normally use the identical contractor to do the work too.