It’s not easy being green, but in these environmentally-friendly apartments it’s not too difficult.

With energy-efficient features and reclaimed materials, it’s also never been so simple to save money while not skimping on high-end design. And these homes prove it.

60 White St.

Built in 1869, this cast iron Tribeca building has incorporated new technologies to make it a greener structure. Currently there are three two-bedroom, two-and-a-half bathroom lofts for sale in the building, all priced for around $4.2 million. Deep-set windows in the apartments are insulated for energy efficiency and framed in reclaimed wood. At 11 feet high they also promise to bring in natural light. The entrance gallery to 60 White St. also features a “Green Wall,” which provides natural air filtration.

121 West 20th St., PH5D

This Chelsea loft, listed for $2,825,000, boasts ambience with two French door Juliette balconies, a fireplace and 864-square-foot outdoor space. But the two bedroom, two-and-a-half bathroom centers around the master suite, especially the bathroom. Featuring a freestanding tub, steam shower, dressing area and five large closets, the wash room is environmentally-friendly with bamboo floors, a double flush toilet, low voltage lighting and energy efficient washer/dryer.

213 Columbia St., 1-B

A certified “passive house” which means it’s extremely-efficient and takes little energy to heat and cool, 213 Columbia is one of the first multi-family buildings in Brooklyn to implement the principles of a “passive house,” according to its listing. The two bedroom, one-and-a-half bathroom unit is currently available to rent for $4,408. Located in the Columbia Street Waterfront District, the apartment also features natural light and walk-in closets.

163 North 6th St., B-1

For $8,000 per month, this one bedroom, two bathroom apartment in Williamsburg was not only made with the environment in mind, but also used some creative materials. Inlaid wood floors are made from 100-year-old shipping boxes.The loft duplex also has reclaimed wooden staircases, bathrooms with reclaimed brick walls and pressed tin ceilings. Additionally, the whole apartment has been “recycled” from one of North Williamsburg’s oldest landmarks, the former St. Vincent De Paul Church.